Check for sequence after track

.gitignore

@@ -2,3 +2,4 @@
 obj
 bin
 .vs
+packages

DD2Switcher/App.config

@@ -1,6 +1,14 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup>
         <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8" />
     </startup>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
 </configuration>

DD2Switcher/DD2Switcher.csproj

@@ -37,8 +37,39 @@
     <Prefer32bit>false</Prefer32bit>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="Microsoft.Bcl.AsyncInterfaces, Version=9.0.0.8, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\Microsoft.Bcl.AsyncInterfaces.9.0.8\lib\net462\Microsoft.Bcl.AsyncInterfaces.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
+    <Reference Include="System.Buffers, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Buffers.4.5.1\lib\net461\System.Buffers.dll</HintPath>
+    </Reference>
     <Reference Include="System.Core" />
+    <Reference Include="System.IO.Pipelines, Version=9.0.0.8, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.IO.Pipelines.9.0.8\lib\net462\System.IO.Pipelines.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Memory, Version=4.0.1.2, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Memory.4.5.5\lib\net461\System.Memory.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Numerics" />
+    <Reference Include="System.Numerics.Vectors, Version=4.1.4.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Numerics.Vectors.4.5.0\lib\net46\System.Numerics.Vectors.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.6.0.0\lib\net461\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Text.Encodings.Web, Version=9.0.0.8, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Text.Encodings.Web.9.0.8\lib\net462\System.Text.Encodings.Web.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Text.Json, Version=9.0.0.8, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Text.Json.9.0.8\lib\net462\System.Text.Json.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.4\lib\net461\System.Threading.Tasks.Extensions.dll</HintPath>
+    </Reference>
+    <Reference Include="System.ValueTuple, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.ValueTuple.4.5.0\lib\net47\System.ValueTuple.dll</HintPath>
+    </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="Microsoft.CSharp" />
@@ -56,6 +87,15 @@
     <Compile Include="Form1.Designer.cs">
       <DependentUpon>Form1.cs</DependentUpon>
     </Compile>
+    <Compile Include="SettingsForm.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="WindowPanelForm.cs">
+      <SubType>UserControl</SubType>
+    </Compile>
+    <Compile Include="WindowPanelForm.Designer.cs">
+      <DependentUpon>WindowPanelForm.cs</DependentUpon>
+    </Compile>
     <Compile Include="HotKeyManager.cs" />
     <Compile Include="KeyboardHook.cs" />
     <Compile Include="Program.cs" />
@@ -69,6 +109,13 @@
       <AutoGen>True</AutoGen>
       <DependentUpon>Resources.resx</DependentUpon>
     </Compile>
+    <EmbeddedResource Include="SettingsForm.resx">
+      <DependentUpon>SettingsForm.cs</DependentUpon>
+    </EmbeddedResource>
+    <EmbeddedResource Include="WindowPanelForm.resx">
+      <DependentUpon>WindowPanelForm.cs</DependentUpon>
+    </EmbeddedResource>
+    <None Include="packages.config" />
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>
@@ -84,6 +131,9 @@
   </ItemGroup>
   <ItemGroup>
     <Content Include="beep.wav" />
+    <Content Include="app.ico">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>

DD2Switcher/Form1.Designer.cs

@@ -26,11 +26,67 @@
         /// </summary>
         private void InitializeComponent() {
             this.components = new System.ComponentModel.Container();
+            this.notifyIcon = new System.Windows.Forms.NotifyIcon(this.components);
+            this.trayMenu = new System.Windows.Forms.ContextMenuStrip(this.components);
+            this.settingsMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.separatorMenuItem = new System.Windows.Forms.ToolStripSeparator();
+            this.exitMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.trayMenu.SuspendLayout();
+            this.SuspendLayout();
+            //
+            // notifyIcon
+            //
+            this.notifyIcon.ContextMenuStrip = this.trayMenu;
+            this.notifyIcon.Text = "DD2Switcher";
+            this.notifyIcon.Visible = true;
+            this.notifyIcon.MouseDoubleClick +=
+                new System.Windows.Forms.MouseEventHandler(this.notifyIcon_MouseDoubleClick);
+            //
+            // trayMenu
+            //
+            this.trayMenu.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
+                this.settingsMenuItem, this.separatorMenuItem, this.exitMenuItem
+            });
+            this.trayMenu.Name = "trayMenu";
+            this.trayMenu.Size = new System.Drawing.Size(120, 54);
+            //
+            // settingsMenuItem
+            //
+            this.settingsMenuItem.Name = "settingsMenuItem";
+            this.settingsMenuItem.Size = new System.Drawing.Size(119, 22);
+            this.settingsMenuItem.Text = "Settings";
+            this.settingsMenuItem.Click += new System.EventHandler(this.settingsMenuItem_Click);
+            //
+            // separatorMenuItem
+            //
+            this.separatorMenuItem.Name = "separatorMenuItem";
+            this.separatorMenuItem.Size = new System.Drawing.Size(116, 6);
+            //
+            // exitMenuItem
+            //
+            this.exitMenuItem.Name = "exitMenuItem";
+            this.exitMenuItem.Size = new System.Drawing.Size(119, 22);
+            this.exitMenuItem.Text = "Exit";
+            this.exitMenuItem.Click += new System.EventHandler(this.exitMenuItem_Click);
+            //
+            // Form1
+            //
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(800, 450);
-            this.Text = "Form1";
+            this.Text = "DD2Switcher";
+            this.WindowState = System.Windows.Forms.FormWindowState.Minimized;
+            this.ShowInTaskbar = false;
+            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.Form1_FormClosing);
+            this.trayMenu.ResumeLayout(false);
+            this.ResumeLayout(false);
         }
 
 #endregion
+
+        private System.Windows.Forms.NotifyIcon notifyIcon;
+        private System.Windows.Forms.ContextMenuStrip trayMenu;
+        private System.Windows.Forms.ToolStripMenuItem settingsMenuItem;
+        private System.Windows.Forms.ToolStripSeparator separatorMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem exitMenuItem;
     }
 }

DD2Switcher/Form1.cs

@@ -1,9 +1,60 @@
-using System.Windows.Forms;
+using System;
+using System.Windows.Forms;
 
 namespace DD2Switcher {
     public partial class Form1 : Form {
+        private SettingsForm settingsForm;
+
         public Form1() {
             InitializeComponent();
+            LoadIcons();
+            this.Load += Form1_Load;
+        }
+
+        private void Form1_Load(object sender, EventArgs e) {
+            // Hide the form initially since we're running in system tray
+            this.Hide();
+        }
+
+        private void notifyIcon_MouseDoubleClick(object sender, MouseEventArgs e) {
+            ShowSettings();
+        }
+
+        private void settingsMenuItem_Click(object sender, EventArgs e) {
+            ShowSettings();
+        }
+
+        private void exitMenuItem_Click(object sender, EventArgs e) {
+            Application.Exit();
+        }
+
+        private void Form1_FormClosing(object sender, FormClosingEventArgs e) {
+            // Prevent the form from closing, just hide it
+            if (e.CloseReason == CloseReason.UserClosing) {
+                e.Cancel = true;
+                this.Hide();
+            }
+        }
+
+        private void ShowSettings() {
+            if (settingsForm == null || settingsForm.IsDisposed) {
+                settingsForm = new SettingsForm();
+            }
+
+            settingsForm.Show();
+            settingsForm.BringToFront();
+        }
+
+        private void LoadIcons() {
+            try {
+                string iconPath = System.IO.Path.Combine(
+                    System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location),
+                    "app.ico");
+                this.Icon = new System.Drawing.Icon(iconPath);
+                this.notifyIcon.Icon = new System.Drawing.Icon(iconPath);
+            } catch {
+                // Use default icon if custom icon not found
+            }
         }
     }
 }

DD2Switcher/KeyboardHook.cs

@@ -37,13 +37,15 @@ class KeyboardHook {
             int pero = (int)wParam * 1000 + vkCode;
             if (pero != previousEvent) {
                 if (wParam == (IntPtr)WM_KEYDOWN) {
+                    Console.WriteLine($"KeyboardHook: KeyDown event for key {vkCode}");
                     KeyDown?.Invoke(null, vkCode);
                 } else if (wParam == (IntPtr)WM_KEYUP) {
+                    Console.WriteLine($"KeyboardHook: KeyUp event for key {vkCode}");
                     KeyUp?.Invoke(null, vkCode);
                 }
                 previousEvent = pero;
             } else {
-                Console.WriteLine("Same event");
+                Console.WriteLine($"KeyboardHook: Same event filtered out - vkCode: {vkCode}, wParam: {wParam}");
             }
         }
         return CallNextHookEx(_hookID, nCode, wParam, lParam);

DD2Switcher/Program.cs

@@ -1,18 +1,265 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.IO;
 using System.Linq;
 using System.Runtime.InteropServices;
 using System.Windows.Forms;
 using System.Threading;
+using System.Text.Json;
+using System.Threading.Tasks;
 
 namespace DD2Switcher {
+    public class Settings {
+        public Keys SequenceKeybind { get; set; } = Keys.F1;
+        public int SequenceTimerDelay { get; set; } = 100;
+    }
+
     internal static class Program {
         private static int NumProc = 19;
         private static Process[] windows = new Process[NumProc];
+        private static string settingsPath =
+            Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), "DD2Switcher.json");
+
+        // Public access to tracked windows for the settings form
+        public static Process[] GetTrackedWindows() {
+            return windows;
+        }
+
+        public static void UntrackWindow(int index) {
+            if (index >= 0 && index < NumProc) {
+                windows[index] = null;
+
+                // Update ActiveIndex if needed
+                if (ActiveIndex == index) {
+                    ActiveIndex = -1;
+                }
+
+                // Update first/last indices if needed
+                if (FirstIndex == index) {
+                    FirstIndex = -1;
+                }
+                if (LastIndex == index) {
+                    LastIndex = -1;
+                }
+            }
+        }
+
+        public static void StartSequenceMode() {
+            Console.WriteLine($"StartSequenceMode called. FirstIndex: {FirstIndex}, LastIndex: {LastIndex}");
+
+            // Compute indices only when sequence starts, not stored permanently
+            int sequenceFirstIndex = FirstIndex;
+            int sequenceLastIndex = LastIndex;
+
+            // If no user indices, use absolute first and last windows
+            if (sequenceFirstIndex == -1 || sequenceLastIndex == -1) {
+                sequenceFirstIndex = FindFirstNonNullWindow();
+                sequenceLastIndex = FindLastNonNullWindow();
+                Console.WriteLine(
+                    $"Computed sequence indices: FirstIndex={sequenceFirstIndex}, LastIndex={sequenceLastIndex}");
+            }
+
+            if (sequenceFirstIndex >= 0 && sequenceLastIndex >= 0 && sequenceFirstIndex <= sequenceLastIndex) {
+                CurrentSequenceIndex = sequenceFirstIndex;
+                Console.WriteLine($"Starting sequence mode, tabbing to index {CurrentSequenceIndex + 1}");
+                TabTo(CurrentSequenceIndex + 1);  // Tab to first window
+                CurrentState = SequenceState.WAITING_FOR_EVENT;
+                Console.WriteLine($"State changed to: {CurrentState}");
+            } else {
+                Console.WriteLine("Cannot start sequence mode - invalid first/last indices");
+            }
+        }
+
+        public static void ExitSequenceMode() {
+            CurrentState = SequenceState.INACTIVE;
+            CurrentSequenceIndex = -1;
+            Console.WriteLine($"State changed to: {CurrentState}");
+        }
+
+        public static bool IsInSequenceMode() {
+            return CurrentState != SequenceState.INACTIVE;
+        }
+
+        private static void LoadSettings() {
+            Console.WriteLine($"Attempting to load settings from: {settingsPath}");
+            try {
+                if (File.Exists(settingsPath)) {
+                    Console.WriteLine("Settings file exists, reading...");
+                    string json = File.ReadAllText(settingsPath);
+                    Console.WriteLine($"Read JSON: {json}");
+                    var settings = JsonSerializer.Deserialize<Settings>(json);
+                    SequenceKeybind = settings.SequenceKeybind;
+                    SequenceTimerDelay = settings.SequenceTimerDelay;
+                    Console.WriteLine(
+                        $"Loaded settings: Keybind={SequenceKeybind}, TimerDelay={SequenceTimerDelay} (First/Last indices NOT loaded)");
+                } else {
+                    Console.WriteLine($"Settings file does not exist at: {settingsPath}");
+                    Console.WriteLine("Using default settings");
+                }
+            } catch (Exception ex) {
+                Console.WriteLine($"Error loading settings: {ex.Message}");
+                Console.WriteLine($"Stack trace: {ex.StackTrace}");
+            }
+        }
+
+        public static void SaveSettings() {
+            try {
+                var settings =
+                    new Settings { SequenceKeybind = SequenceKeybind, SequenceTimerDelay = SequenceTimerDelay };
+                string json = JsonSerializer.Serialize(settings, new JsonSerializerOptions { WriteIndented = true });
+                File.WriteAllText(settingsPath, json);
+                Console.WriteLine($"Saved settings: Keybind={SequenceKeybind}, TimerDelay={SequenceTimerDelay}");
+            } catch (Exception ex) {
+                Console.WriteLine($"Error saving settings: {ex.Message}");
+            }
+        }
+
+        private static int FindFirstNonNullWindow() {
+            for (int i = 0; i < NumProc; i++) {
+                if (windows[i] != null && windows[i].MainWindowHandle != IntPtr.Zero) {
+                    return i;
+                }
+            }
+            return -1;
+        }
+
+        private static int FindLastNonNullWindow() {
+            for (int i = NumProc - 1; i >= 0; i--) {
+                if (windows[i] != null && windows[i].MainWindowHandle != IntPtr.Zero) {
+                    return i;
+                }
+            }
+            return -1;
+        }
+
+        private static int FindNextNonNullWindow(int startIndex) {
+            for (int i = startIndex; i < NumProc; i++) {
+                if (windows[i] != null && windows[i].MainWindowHandle != IntPtr.Zero) {
+                    return i;
+                }
+            }
+            return -1;
+        }
+
+        private static void SetDefaultFirstLastIndices() {
+            if (FirstIndex == -1) {
+                FirstIndex = FindFirstNonNullWindow();
+                Console.WriteLine($"Set default FirstIndex to: {FirstIndex}");
+            }
+            if (LastIndex == -1) {
+                LastIndex = FindLastNonNullWindow();
+                Console.WriteLine($"Set default LastIndex to: {LastIndex}");
+            }
+
+            // Ensure LastIndex is different from FirstIndex if there are multiple windows
+            if (FirstIndex != -1 && LastIndex != -1 && FirstIndex == LastIndex) {
+                // Find the next non-null window after FirstIndex
+                int nextWindow = FindNextNonNullWindow(FirstIndex + 1);
+                if (nextWindow != -1) {
+                    LastIndex = nextWindow;
+                    Console.WriteLine($"Adjusted LastIndex to: {LastIndex} (different from FirstIndex)");
+                }
+            }
+        }
+
+        public static void UpdateSequenceHotkey(Keys newKey) {
+            Console.WriteLine($"UpdateSequenceHotkey called with new key: {newKey} (code: {(int)newKey})");
+            Console.WriteLine($"Old SequenceKeybind before update: {SequenceKeybind} (code: {(int)SequenceKeybind})");
+
+            // Unregister old hotkey
+            if (sequenceHotkeyId != -1) {
+                Console.WriteLine($"Unregistering old hotkey ID: {sequenceHotkeyId}");
+                HotKeyManager.UnregisterHotKey(sequenceHotkeyId);
+            }
+
+            // Register new hotkey
+            sequenceHotkeyId = HotKeyManager.RegisterHotKey(newKey, KeyModifiers.NoRepeat);
+            Console.WriteLine($"Registered new hotkey ID: {sequenceHotkeyId} for key: {newKey}");
+            SequenceKeybind = newKey;
+            Console.WriteLine($"New SequenceKeybind after update: {SequenceKeybind} (code: {(int)SequenceKeybind})");
+            SaveSettings();
+        }
+
+        public static void SaveFirstLastIndices() {
+            SaveSettings();
+        }
+
+        // Static properties for first/last selection persistence
+        public static int FirstIndex { get; set; } = -1;
+        public static int LastIndex { get; set; } = -1;
+
+        // Sequence mode state engine
+        public enum SequenceState { INACTIVE, WAITING_FOR_EVENT, WAITING_TO_ADVANCE, ADVANCE }
+
+        public static SequenceState CurrentState { get; set; } = SequenceState.INACTIVE;
+        public static int CurrentSequenceIndex { get; set; } = -1;
+        public static Keys SequenceKeybind { get; set; } = Keys.F1;
+        public static int SequenceTimerDelay { get; set; } = 100;
+        private static int sequenceHotkeyId = -1;
         private static int ActiveIndex = -1;
         private static bool AltPressed = false;
 
+        // State handlers
+        private static readonly Dictionary<SequenceState, Action> stateHandlers =
+            new Dictionary<SequenceState, Action> { { SequenceState.INACTIVE, HandleInactive },
+                                                    { SequenceState.WAITING_FOR_EVENT, HandleWaitingForEvent },
+                                                    { SequenceState.WAITING_TO_ADVANCE, HandleWaitingToAdvance },
+                                                    { SequenceState.ADVANCE, HandleAdvance } };
+
+        private static void HandleInactive() {
+            // Inactive state - do nothing
+        }
+
+        private static void HandleWaitingForEvent() {
+            // Event happened, transition to waiting to advance
+            Console.WriteLine($"Event detected in state: {CurrentState}, transitioning to WAITING_TO_ADVANCE");
+            CurrentState = SequenceState.WAITING_TO_ADVANCE;
+            Console.WriteLine($"State changed to: {CurrentState}");
+            HandleWaitingToAdvance();
+        }
+
+        private static void HandleWaitingToAdvance() {
+            // Start timer to advance after N milliseconds
+            Console.WriteLine($"Starting {SequenceTimerDelay}ms timer in WAITING_TO_ADVANCE state");
+            Task.Delay(SequenceTimerDelay)
+                .ContinueWith(
+                    _ => {
+                        if (CurrentState == SequenceState.WAITING_TO_ADVANCE) {
+                            CurrentState = SequenceState.ADVANCE;
+                            Console.WriteLine($"Timer expired, transitioning to ADVANCE state");
+                            HandleSequenceEvent();
+                        }
+                    });
+        }
+
+        private static void HandleAdvance() {
+            Console.WriteLine($"Advancing sequence from ADVANCE state");
+
+            CurrentSequenceIndex++;
+            Console.WriteLine($"Advanced to index {CurrentSequenceIndex}");
+
+            // Get the actual last index for this sequence (computed or user-set)
+            int sequenceLastIndex = (LastIndex != -1) ? LastIndex : FindLastNonNullWindow();
+
+            if (CurrentSequenceIndex > sequenceLastIndex) {
+                // End of sequence - tab back to first
+                int sequenceFirstIndex = (FirstIndex != -1) ? FirstIndex : FindFirstNonNullWindow();
+                Console.WriteLine("End of sequence reached, tabbing back to first window");
+                TabTo(sequenceFirstIndex + 1);
+                ExitSequenceMode();
+            } else {
+                Console.WriteLine($"Tabbing to index {CurrentSequenceIndex + 1}");
+                TabTo(CurrentSequenceIndex + 1);
+                CurrentState = SequenceState.WAITING_FOR_EVENT;
+                Console.WriteLine($"State changed to: {CurrentState}");
+            }
+        }
+
+        private static void HandleSequenceEvent() {
+            stateHandlers[CurrentState]?.Invoke();
+        }
+
         // Simple list to track last 5 windows
         private static List<int> lastWindows = new List<int>();
 
@@ -26,9 +273,20 @@ namespace DD2Switcher {
         [DllImport("user32.dll")]
         public static extern bool SetForegroundWindow(IntPtr hWnd);
 
+        [DllImport("user32.dll")]
+        private static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
+
+        [DllImport("user32.dll")]
+        private static extern bool BringWindowToTop(IntPtr hWnd);
+
+        [DllImport("user32.dll")]
+        private static extern IntPtr SetActiveWindow(IntPtr hWnd);
+
         [DllImport("user32.dll")]
         private static extern short GetKeyState(int nVirtKey);
 
+        private const int SW_RESTORE = 9;
+
         [DllImport("kernel32.dll", SetLastError = true)]
         [return:MarshalAs(UnmanagedType.Bool)]
         static extern bool AllocConsole();
@@ -36,6 +294,42 @@ namespace DD2Switcher {
         [DllImport("user32.dll")]
         private static extern void keybd_event(byte bVk, byte bScan, uint dwFlags, int dwExtraInfo);
 
+        [DllImport("user32.dll")]
+        private static extern IntPtr SetWindowsHookEx(int idHook, IntPtr lpfn, IntPtr hMod, uint dwThreadId);
+
+        [DllImport("user32.dll")]
+        private static extern bool UnhookWindowsHookEx(IntPtr hhk);
+
+        [DllImport("user32.dll")]
+        private static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);
+
+        [DllImport("kernel32.dll")]
+        private static extern IntPtr GetModuleHandle(string lpModuleName);
+
+        private const int WH_MOUSE_LL = 14;
+        private const int WM_LBUTTONDOWN = 0x0201;
+        private const int WM_RBUTTONDOWN = 0x0204;
+        private const int WM_MBUTTONDOWN = 0x0207;
+        private static IntPtr mouseHookId = IntPtr.Zero;
+        private static IntPtr mouseHookProc = IntPtr.Zero;
+        private static MouseHookProc mouseHookDelegate;  // Keep reference to prevent GC
+
+        private delegate IntPtr MouseHookProc(int nCode, IntPtr wParam, IntPtr lParam);
+
+        private static IntPtr MouseHookCallback(int nCode, IntPtr wParam, IntPtr lParam) {
+            if (nCode >= 0) {
+                int wParamInt = (int)wParam;
+                if (wParamInt == WM_LBUTTONDOWN || wParamInt == WM_RBUTTONDOWN || wParamInt == WM_MBUTTONDOWN) {
+                    if (CurrentState == SequenceState.WAITING_FOR_EVENT) {
+                        Console.WriteLine($"Mouse click detected in state: {CurrentState}");
+                        // Handle sequence event asynchronously to avoid interfering with mouse event processing
+                        Task.Run(() => HandleSequenceEvent());
+                    }
+                }
+            }
+            return CallNextHookEx(mouseHookId, nCode, wParam, lParam);
+        }
+
         private static void CleanWindows() {
             for (int i = 0; i < NumProc; i++) {
                 var window = windows[i];
@@ -222,6 +516,7 @@ namespace DD2Switcher {
         }
 
         private static void TabTo(int index) {
+            Console.WriteLine($"TabTo called with index: {index}");
             index = (index - 1) % NumProc;
             if (index < 0)
                 index = NumProc - 1;
@@ -230,7 +525,29 @@ namespace DD2Switcher {
             CleanWindows();
             Console.WriteLine($"Tab to window at index {index}");
 
+            // Find the next non-null window if the target is null
+            int originalIndex = index;
+            while (index < NumProc && (windows[index] == null || windows[index].MainWindowHandle == IntPtr.Zero)) {
+                index++;
+            }
+            if (index >= NumProc) {
+                // Try from the beginning
+                index = 0;
+                while (index < originalIndex &&
+                       (windows[index] == null || windows[index].MainWindowHandle == IntPtr.Zero)) {
+                    index++;
+                }
+            }
+
+            if (index >= NumProc || windows[index] == null || windows[index].MainWindowHandle == IntPtr.Zero) {
+                Console.WriteLine("No valid windows found to tab to");
+                return;
+            }
+
             var window = windows[index];
+            Console.WriteLine(
+                $"Window at index {index}: {(window == null ? "NULL" : window.ProcessName + " PID:" + window.Id)}");
+
             if (window == null || window.MainWindowHandle == IntPtr.Zero) {
                 Console.WriteLine($"Window at index {index} does not exist, removing from tracked windows");
                 windows[index] = null;
@@ -238,19 +555,30 @@ namespace DD2Switcher {
                 if (ActiveIndex != -1)
                     PushHistory(ActiveIndex);
 
+                Console.WriteLine($"Setting foreground window to: {window.ProcessName} PID:{window.Id}");
                 SetForegroundWindow(window.MainWindowHandle);
+                ShowWindow(window.MainWindowHandle, SW_RESTORE);
+                BringWindowToTop(window.MainWindowHandle);
+                SetActiveWindow(window.MainWindowHandle);
+
                 ActiveIndex = index;
                 AdjustAffinities();
                 AdjustPriorities();
+                Console.WriteLine($"Successfully switched to window at index {index}");
             }
         }
 
         private static void TabToPrevious() {
+            return;
+            try {
                 var foreground = GetForegroundProcess();
                 if (!ProcessTracked(foreground.Id)) {
                     Console.WriteLine("Foreground process not tracked, skipping");
                     return;
                 }
+            } catch (Exception e) {
+                Console.WriteLine($"Error setting foreground window: {e}");
+            }
 
             if (lastWindows.Count == 0) {
                 Console.WriteLine("No previous window to switch to");
@@ -284,7 +612,12 @@ namespace DD2Switcher {
 
         [STAThread]
         private static void Main() {
-            // AllocConsole();
+            // AllocConsole();  // Enable console for debug output
+            Application.EnableVisualStyles();
+            Application.SetCompatibleTextRenderingDefault(false);
+
+            // Load settings
+            LoadSettings();
 
             var processes = Process.GetProcesses();
             var currentProcess = Process.GetCurrentProcess();
@@ -297,6 +630,12 @@ namespace DD2Switcher {
 
             bool onlyAlt = false;
             KeyboardHook.Start();
+
+            // Set up mouse hook for sequence mode
+            mouseHookDelegate = new MouseHookProc(MouseHookCallback);
+            mouseHookProc = Marshal.GetFunctionPointerForDelegate(mouseHookDelegate);
+            mouseHookId = SetWindowsHookEx(WH_MOUSE_LL, mouseHookProc,
+                                           GetModuleHandle(Process.GetCurrentProcess().MainModule.ModuleName), 0);
             KeyboardHook.KeyDown += (sender, e) => {
                 Console.WriteLine($"Key down: {e}");
                 if (e == 164 && !onlyAlt) {
@@ -314,6 +653,20 @@ namespace DD2Switcher {
                     onlyAlt = false;
                     TabToPrevious();
                 }
+
+                // Handle sequence mode event detection with KeyUp
+                if (CurrentState == SequenceState.WAITING_FOR_EVENT) {
+                    // Ignore the sequence keybind itself
+                    if (e != (int)SequenceKeybind) {
+                        Console.WriteLine($"Key up detected in state: {CurrentState} - Key: {e}");
+                        HandleSequenceEvent();
+                    } else {
+                        Console.WriteLine($"Ignoring sequence keybind release: {e}");
+                    }
+                } else if (CurrentState == SequenceState.WAITING_TO_ADVANCE) {
+                    // Ignore key events while waiting to advance
+                    Console.WriteLine($"Ignoring key event in WAITING_TO_ADVANCE state: {e}");
+                }
             };
 
             HotKeyManager.RegisterHotKey(Keys.Capital, KeyModifiers.NoRepeat);
@@ -324,15 +677,48 @@ namespace DD2Switcher {
             for (int i = 0; i < 9; i++) HotKeyManager.RegisterHotKey(Keys.NumPad1 + i, KeyModifiers.Alt);
 
             HotKeyManager.RegisterHotKey(Keys.Oemtilde, KeyModifiers.Alt);
+            sequenceHotkeyId = HotKeyManager.RegisterHotKey(SequenceKeybind, KeyModifiers.NoRepeat);
+            Console.WriteLine(
+                $"Initial sequence hotkey registration - ID: {sequenceHotkeyId}, Key: {SequenceKeybind} (code: {(int)SequenceKeybind})");
             HotKeyManager.HotKeyPressed += HotKeyManager_HotKeyPressed;
 
             void HotKeyManager_HotKeyPressed(object sender, HotKeyEventArgs e) {
+                Console.WriteLine($"Hotkey pressed: {e.Key} with modifiers {e.Modifiers}");
+                Console.WriteLine($"Current sequence keybind: {SequenceKeybind}");
+                Console.WriteLine($"Key codes - Pressed: {(int)e.Key}, Expected: {(int)SequenceKeybind}");
+
+                // Cancel sequence mode on any manual window switching
+                if (CurrentState != SequenceState.INACTIVE && e.Modifiers == KeyModifiers.Alt) {
+                    Console.WriteLine("Manual window switching detected, cancelling sequence mode");
+                    ExitSequenceMode();
+                }
+
                 if (e.Key == Keys.Oemtilde && e.Modifiers == KeyModifiers.Alt && IsCapsLockOn()) {
                     TrackProcess();
                     ToggleCapsLock();
                     return;
                 }
 
+                // Check for sequence mode keybind
+                Console.WriteLine(
+                    $"Checking sequence keybind - Key: {e.Key} == {SequenceKeybind} = {e.Key == SequenceKeybind}");
+                Console.WriteLine($"Checking modifiers - Received: {e.Modifiers}, Expected: {KeyModifiers.NoRepeat}");
+                if (e.Key == SequenceKeybind) {
+                    Console.WriteLine("Sequence keybind detected!");
+                    if (CurrentState != SequenceState.INACTIVE) {
+                        Console.WriteLine("Advancing sequence step");
+                        HandleSequenceEvent();
+                    } else {
+                        Console.WriteLine("Starting sequence mode");
+                        StartSequenceMode();
+                    }
+                    return;
+                } else {
+                    Console.WriteLine(
+                        $"Sequence keybind check failed - Key match: {e.Key == SequenceKeybind}, Modifiers match: {e.Modifiers == KeyModifiers.NoRepeat}");
+                }
+
+
                 int index;
                 if (e.Key >= Keys.D0 && e.Key <= Keys.D9) {
                     index = e.Key - Keys.D0;
@@ -352,9 +738,14 @@ namespace DD2Switcher {
                 }
             }
 
-            // Console.CancelKeyPress += (sender, e) => { Process.GetCurrentProcess().Kill(); };
-            Application.Run();
+            // Run the WinForms application with Form1 as the main form
+            Application.Run(new Form1());
             KeyboardHook.Stop();
+
+            // Clean up mouse hook
+            if (mouseHookId != IntPtr.Zero) {
+                UnhookWindowsHookEx(mouseHookId);
+            }
         }
     }
 }

DD2Switcher/SettingsForm.cs

@@ -0,0 +1,316 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Drawing;
+using System.Linq;
+using System.Windows.Forms;
+
+namespace DD2Switcher {
+    public partial class SettingsForm : Form {
+        private TabControl tabControl;
+        private TabPage windowsTab;
+        private TabPage sequenceTab;
+        private FlowLayoutPanel windowsPanel;
+        private Label sequenceKeybindLabel;
+        private TextBox sequenceKeybindTextBox;
+        private Label sequenceTimerDelayLabel;
+        private NumericUpDown sequenceTimerDelayNumericUpDown;
+
+        public SettingsForm() {
+            InitializeComponent();
+            LoadIcon();
+            RefreshWindowsList();
+        }
+
+        private void InitializeComponent() {
+            this.tabControl = new System.Windows.Forms.TabControl();
+            this.windowsTab = new System.Windows.Forms.TabPage();
+            this.windowsPanel = new System.Windows.Forms.FlowLayoutPanel();
+            this.sequenceTab = new System.Windows.Forms.TabPage();
+            this.sequenceKeybindTextBox = new System.Windows.Forms.TextBox();
+            this.sequenceKeybindLabel = new System.Windows.Forms.Label();
+            this.sequenceTimerDelayNumericUpDown = new System.Windows.Forms.NumericUpDown();
+            this.sequenceTimerDelayLabel = new System.Windows.Forms.Label();
+            this.tabControl.SuspendLayout();
+            this.windowsTab.SuspendLayout();
+            this.sequenceTab.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.sequenceTimerDelayNumericUpDown)).BeginInit();
+            this.SuspendLayout();
+            //
+            // tabControl
+            //
+            this.tabControl.Controls.Add(this.windowsTab);
+            this.tabControl.Controls.Add(this.sequenceTab);
+            this.tabControl.Location = new System.Drawing.Point(12, 12);
+            this.tabControl.Name = "tabControl";
+            this.tabControl.SelectedIndex = 0;
+            this.tabControl.Size = new System.Drawing.Size(576, 396);
+            this.tabControl.TabIndex = 0;
+            //
+            // windowsTab
+            //
+            this.windowsTab.Controls.Add(this.windowsPanel);
+            this.windowsTab.Location = new System.Drawing.Point(4, 22);
+            this.windowsTab.Name = "windowsTab";
+            this.windowsTab.Padding = new System.Windows.Forms.Padding(3);
+            this.windowsTab.Size = new System.Drawing.Size(568, 370);
+            this.windowsTab.TabIndex = 0;
+            this.windowsTab.Text = "Windows";
+            this.windowsTab.UseVisualStyleBackColor = true;
+            //
+            // windowsPanel
+            //
+            this.windowsPanel.AutoScroll = true;
+            this.windowsPanel.BackColor = System.Drawing.Color.White;
+            this.windowsPanel.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
+            this.windowsPanel.Location = new System.Drawing.Point(6, 6);
+            this.windowsPanel.Name = "windowsPanel";
+            this.windowsPanel.Padding = new System.Windows.Forms.Padding(10);
+            this.windowsPanel.Size = new System.Drawing.Size(556, 358);
+            this.windowsPanel.TabIndex = 0;
+            //
+            // sequenceTab
+            //
+            this.sequenceTab.Controls.Add(this.sequenceTimerDelayNumericUpDown);
+            this.sequenceTab.Controls.Add(this.sequenceTimerDelayLabel);
+            this.sequenceTab.Controls.Add(this.sequenceKeybindTextBox);
+            this.sequenceTab.Controls.Add(this.sequenceKeybindLabel);
+            this.sequenceTab.Location = new System.Drawing.Point(4, 22);
+            this.sequenceTab.Name = "sequenceTab";
+            this.sequenceTab.Padding = new System.Windows.Forms.Padding(3);
+            this.sequenceTab.Size = new System.Drawing.Size(568, 370);
+            this.sequenceTab.TabIndex = 1;
+            this.sequenceTab.Text = "Sequence";
+            this.sequenceTab.UseVisualStyleBackColor = true;
+            //
+            // sequenceKeybindTextBox
+            //
+            this.sequenceKeybindTextBox.Location = new System.Drawing.Point(126, 17);
+            this.sequenceKeybindTextBox.Name = "sequenceKeybindTextBox";
+            this.sequenceKeybindTextBox.Size = new System.Drawing.Size(111, 20);
+            this.sequenceKeybindTextBox.TabIndex = 1;
+            this.sequenceKeybindTextBox.Text = Program.SequenceKeybind.ToString();
+            this.sequenceKeybindTextBox.Leave += new System.EventHandler(this.sequenceKeybindTextBox_Leave);
+            //
+            // sequenceKeybindLabel
+            //
+            this.sequenceKeybindLabel.AutoSize = true;
+            this.sequenceKeybindLabel.Location = new System.Drawing.Point(20, 20);
+            this.sequenceKeybindLabel.Name = "sequenceKeybindLabel";
+            this.sequenceKeybindLabel.Size = new System.Drawing.Size(100, 13);
+            this.sequenceKeybindLabel.TabIndex = 0;
+            this.sequenceKeybindLabel.Text = "Sequence Keybind:";
+            //
+            // sequenceTimerDelayLabel
+            //
+            this.sequenceTimerDelayLabel.AutoSize = true;
+            this.sequenceTimerDelayLabel.Location = new System.Drawing.Point(20, 50);
+            this.sequenceTimerDelayLabel.Name = "sequenceTimerDelayLabel";
+            this.sequenceTimerDelayLabel.Size = new System.Drawing.Size(100, 13);
+            this.sequenceTimerDelayLabel.TabIndex = 2;
+            this.sequenceTimerDelayLabel.Text = "Timer Delay (ms):";
+            //
+            // sequenceTimerDelayNumericUpDown
+            //
+            this.sequenceTimerDelayNumericUpDown.Location = new System.Drawing.Point(126, 47);
+            this.sequenceTimerDelayNumericUpDown.Name = "sequenceTimerDelayNumericUpDown";
+            this.sequenceTimerDelayNumericUpDown.Size = new System.Drawing.Size(111, 20);
+            this.sequenceTimerDelayNumericUpDown.TabIndex = 3;
+            this.sequenceTimerDelayNumericUpDown.Minimum = 10;
+            this.sequenceTimerDelayNumericUpDown.Maximum = 10000;
+            this.sequenceTimerDelayNumericUpDown.Value = Program.SequenceTimerDelay;
+            this.sequenceTimerDelayNumericUpDown.ValueChanged +=
+                new System.EventHandler(this.sequenceTimerDelayNumericUpDown_ValueChanged);
+            //
+            // SettingsForm
+            //
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(600, 420);
+            this.Controls.Add(this.tabControl);
+            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
+            this.MaximizeBox = false;
+            this.MinimizeBox = false;
+            this.Name = "SettingsForm";
+            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
+            this.Text = "DD2Switcher Settings";
+            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.SettingsForm_FormClosing);
+            this.tabControl.ResumeLayout(false);
+            this.windowsTab.ResumeLayout(false);
+            this.sequenceTab.ResumeLayout(false);
+            this.sequenceTab.PerformLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.sequenceTimerDelayNumericUpDown)).EndInit();
+            this.ResumeLayout(false);
+        }
+
+        private void closeButton_Click(object sender, EventArgs e) {
+            this.Close();
+        }
+
+        private void refreshButton_Click(object sender, EventArgs e) {
+            RefreshWindowsList();
+        }
+
+        private void RefreshWindowsList() {
+            windowsPanel.Controls.Clear();
+
+            // Get tracked windows from Program
+            var trackedWindows = GetTrackedWindows();
+
+            if (trackedWindows.Count == 0) {
+                var noWindowsLabel = new Label();
+                noWindowsLabel.Text = "No windows currently tracked";
+                noWindowsLabel.AutoSize = true;
+                noWindowsLabel.ForeColor = Color.Gray;
+                noWindowsLabel.Font = new Font("Segoe UI", 10F);
+                windowsPanel.Controls.Add(noWindowsLabel);
+                return;
+            }
+
+            for (int i = 0; i < trackedWindows.Count; i++) {
+                var window = trackedWindows[i];
+                if (window == null)
+                    continue;
+
+                var windowPanelForm = new WindowPanelForm();
+                windowPanelForm.WindowIndex = i;
+                windowPanelForm.WindowProcess = window;
+                windowPanelForm.IsFirst = (i == Program.FirstIndex);
+                windowPanelForm.IsLast = (i == Program.LastIndex);
+                windowPanelForm.UpdateDisplay();
+
+                windowPanelForm.PickClicked += (sender, index) => {
+                    // If clicking on a window that's already first or last, remove that setting
+                    if (index == Program.FirstIndex) {
+                        Program.FirstIndex = -1;
+                        Console.WriteLine($"Removed first index: {index}");
+                    } else if (index == Program.LastIndex) {
+                        Program.LastIndex = -1;
+                        Console.WriteLine($"Removed last index: {index}");
+                    } else if (Program.FirstIndex == -1) {
+                        // First pick - set both first and last
+                        Program.FirstIndex = index;
+                        Program.LastIndex = index;
+                        Console.WriteLine($"Set first and last index: {index}");
+                    } else if (Program.LastIndex == -1) {
+                        // Second pick - set last (must be >= first)
+                        if (index >= Program.FirstIndex) {
+                            Program.LastIndex = index;
+                        } else {
+                            Program.LastIndex = Program.FirstIndex;
+                            Program.FirstIndex = index;
+                        }
+                        Console.WriteLine($"Set last index: {Program.LastIndex}");
+                    } else {
+                        // Subsequent picks - determine which becomes first
+                        int distanceToFirst = Math.Abs(index - Program.FirstIndex);
+                        int distanceToLast = Math.Abs(index - Program.LastIndex);
+
+                        if (distanceToFirst <= distanceToLast) {
+                            // New index is closer to first, so first moves
+                            if (index <= Program.LastIndex) {
+                                Program.FirstIndex = index;
+                            } else {
+                                Program.LastIndex = Program.FirstIndex;
+                                Program.FirstIndex = index;
+                            }
+                        } else {
+                            // New index is closer to last, so last moves
+                            if (index >= Program.FirstIndex) {
+                                Program.LastIndex = index;
+                            } else {
+                                Program.FirstIndex = Program.LastIndex;
+                                Program.LastIndex = index;
+                            }
+                        }
+                        Console.WriteLine($"Updated indices: First={Program.FirstIndex}, Last={Program.LastIndex}");
+                    }
+
+                    // Ensure last >= first
+                    if (Program.LastIndex < Program.FirstIndex) {
+                        int tmp = Program.LastIndex;
+                        Program.LastIndex = Program.FirstIndex;
+                        Program.FirstIndex = tmp;
+                    }
+
+                    RefreshWindowsList();
+                };
+                windowPanelForm.UntrackClicked += (sender, index) => {
+                    UntrackWindow(index);
+                    RefreshWindowsList();
+                };
+
+                windowsPanel.Controls.Add(windowPanelForm);
+            }
+        }
+
+        private string GetFirstLastText(int index) {
+            if (index == Program.FirstIndex && index == Program.LastIndex) {
+                return "First & Last";
+            } else if (index == Program.FirstIndex) {
+                return "First";
+            } else if (index == Program.LastIndex) {
+                return "Last";
+            }
+            return "";
+        }
+
+        private List<Process> GetTrackedWindows() {
+            var windows = Program.GetTrackedWindows();
+            return windows.ToList();
+        }
+
+        private void UntrackWindow(int index) {
+            Program.UntrackWindow(index);
+        }
+
+        private void LoadIcon() {
+            try {
+                this.Icon = new Icon(System.IO.Path.Combine(
+                    System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location),
+                    "app.ico"));
+            } catch {
+                // Use default icon if custom icon not found
+            }
+        }
+
+        private void sequenceKeybindTextBox_Leave(object sender, EventArgs e) {
+            Console.WriteLine($"sequenceKeybindTextBox_Leave called with text: {sequenceKeybindTextBox.Text}");
+            try {
+                KeysConverter converter = new KeysConverter();
+                Keys newKey = (Keys)converter.ConvertFromString(sequenceKeybindTextBox.Text);
+                Console.WriteLine($"Converted key: {newKey} (code: {(int)newKey})");
+                Program.UpdateSequenceHotkey(newKey);
+                Console.WriteLine("Keybind updated successfully!");
+            } catch (Exception ex) {
+                Console.WriteLine($"Error converting key: {ex.Message}");
+                sequenceKeybindTextBox.Text = Program.SequenceKeybind.ToString();
+            }
+        }
+
+        private void sequenceTimerDelayNumericUpDown_ValueChanged(object sender, EventArgs e) {
+            Console.WriteLine(
+                $"sequenceTimerDelayNumericUpDown_ValueChanged called with value: {sequenceTimerDelayNumericUpDown.Value}");
+            try {
+                int newDelay = (int)sequenceTimerDelayNumericUpDown.Value;
+                Program.SequenceTimerDelay = newDelay;
+                Program.SaveSettings();
+                Console.WriteLine($"Timer delay updated to: {newDelay}ms");
+            } catch (Exception ex) {
+                Console.WriteLine($"Error updating timer delay: {ex.Message}");
+            }
+        }
+
+        private void SettingsForm_FormClosing(object sender, FormClosingEventArgs e) {
+            Console.WriteLine("SettingsForm closing - saving keybind");
+            try {
+                KeysConverter converter = new KeysConverter();
+                Keys newKey = (Keys)converter.ConvertFromString(sequenceKeybindTextBox.Text);
+                Console.WriteLine($"Saving keybind on close: {newKey}");
+                Program.UpdateSequenceHotkey(newKey);
+            } catch (Exception ex) {
+                Console.WriteLine($"Error saving keybind on close: {ex.Message}");
+            }
+        }
+    }
+}

DD2Switcher/SettingsForm.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

DD2Switcher/WindowPanelForm.Designer.cs

@@ -0,0 +1,133 @@
+namespace DD2Switcher {
+    partial class WindowPanelForm {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+#region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.indexLabel = new System.Windows.Forms.Label();
+            this.nameLabel = new System.Windows.Forms.Label();
+            this.pidLabel = new System.Windows.Forms.Label();
+            this.titleLabel = new System.Windows.Forms.Label();
+            this.firstLastLabel = new System.Windows.Forms.Label();
+            this.pickButton = new System.Windows.Forms.Button();
+            this.untrackButton = new System.Windows.Forms.Button();
+            this.SuspendLayout();
+            //
+            // indexLabel
+            //
+            this.indexLabel.AutoSize = true;
+            this.indexLabel.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Bold);
+            this.indexLabel.Location = new System.Drawing.Point(10, 5);
+            this.indexLabel.Name = "indexLabel";
+            this.indexLabel.Size = new System.Drawing.Size(52, 15);
+            this.indexLabel.TabIndex = 0;
+            this.indexLabel.Text = "Index: 0";
+            //
+            // nameLabel
+            //
+            this.nameLabel.AutoSize = true;
+            this.nameLabel.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.nameLabel.Location = new System.Drawing.Point(12, 35);
+            this.nameLabel.Name = "nameLabel";
+            this.nameLabel.Size = new System.Drawing.Size(45, 15);
+            this.nameLabel.TabIndex = 1;
+            this.nameLabel.Text = "Name: ";
+            //
+            // pidLabel
+            //
+            this.pidLabel.AutoSize = true;
+            this.pidLabel.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.pidLabel.Location = new System.Drawing.Point(12, 50);
+            this.pidLabel.Name = "pidLabel";
+            this.pidLabel.Size = new System.Drawing.Size(28, 15);
+            this.pidLabel.TabIndex = 2;
+            this.pidLabel.Text = "PID:";
+            //
+            // titleLabel
+            //
+            this.titleLabel.AutoSize = true;
+            this.titleLabel.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.titleLabel.Location = new System.Drawing.Point(12, 20);
+            this.titleLabel.MaximumSize = new System.Drawing.Size(200, 0);
+            this.titleLabel.Name = "titleLabel";
+            this.titleLabel.Size = new System.Drawing.Size(36, 15);
+            this.titleLabel.TabIndex = 3;
+            this.titleLabel.Text = "Title: ";
+            //
+            // firstLastLabel
+            //
+            this.firstLastLabel.AutoSize = true;
+            this.firstLastLabel.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Bold);
+            this.firstLastLabel.ForeColor = System.Drawing.Color.DarkBlue;
+            this.firstLastLabel.Location = new System.Drawing.Point(200, 45);
+            this.firstLastLabel.Name = "firstLastLabel";
+            this.firstLastLabel.Size = new System.Drawing.Size(0, 15);
+            this.firstLastLabel.TabIndex = 4;
+            //
+            // pickButton
+            //
+            this.pickButton.Location = new System.Drawing.Point(420, 10);
+            this.pickButton.Name = "pickButton";
+            this.pickButton.Size = new System.Drawing.Size(88, 25);
+            this.pickButton.TabIndex = 5;
+            this.pickButton.Text = "Pick";
+            this.pickButton.UseVisualStyleBackColor = true;
+            this.pickButton.Click += new System.EventHandler(this.pickButton_Click);
+            //
+            // untrackButton
+            //
+            this.untrackButton.Location = new System.Drawing.Point(420, 45);
+            this.untrackButton.Name = "untrackButton";
+            this.untrackButton.Size = new System.Drawing.Size(88, 25);
+            this.untrackButton.TabIndex = 6;
+            this.untrackButton.Text = "Untrack";
+            this.untrackButton.UseVisualStyleBackColor = true;
+            this.untrackButton.Click += new System.EventHandler(this.untrackButton_Click);
+            //
+            // WindowPanelForm
+            //
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.Controls.Add(this.indexLabel);
+            this.Controls.Add(this.nameLabel);
+            this.Controls.Add(this.pidLabel);
+            this.Controls.Add(this.titleLabel);
+            this.Controls.Add(this.firstLastLabel);
+            this.Controls.Add(this.pickButton);
+            this.Controls.Add(this.untrackButton);
+            this.Name = "WindowPanelForm";
+            this.Size = new System.Drawing.Size(520, 80);
+            this.ResumeLayout(false);
+            this.PerformLayout();
+        }
+
+#endregion
+
+        private System.Windows.Forms.Label indexLabel;
+        private System.Windows.Forms.Label nameLabel;
+        private System.Windows.Forms.Label pidLabel;
+        private System.Windows.Forms.Label titleLabel;
+        private System.Windows.Forms.Label firstLastLabel;
+        private System.Windows.Forms.Button pickButton;
+        private System.Windows.Forms.Button untrackButton;
+    }
+}

DD2Switcher/WindowPanelForm.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Diagnostics;
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace DD2Switcher {
+    public partial class WindowPanelForm : UserControl {
+        public event EventHandler<int> PickClicked;
+        public event EventHandler<int> UntrackClicked;
+
+        public int WindowIndex { get; set; }
+        public Process WindowProcess { get; set; }
+        public bool IsFirst { get; set; }
+        public bool IsLast { get; set; }
+
+        public WindowPanelForm() {
+            InitializeComponent();
+        }
+
+        public void UpdateDisplay() {
+            if (WindowProcess != null) {
+                indexLabel.Text = $"Index: {WindowIndex}";
+                nameLabel.Text = $"Name: {WindowProcess.ProcessName}";
+                pidLabel.Text = $"PID: {WindowProcess.Id}";
+                titleLabel.Text = $"Title: {WindowProcess.MainWindowTitle}";
+
+                if (IsFirst && IsLast) {
+                    firstLastLabel.Text = "First & Last";
+                } else if (IsFirst) {
+                    firstLastLabel.Text = "First";
+                } else if (IsLast) {
+                    firstLastLabel.Text = "Last";
+                } else {
+                    firstLastLabel.Text = "";
+                }
+            }
+        }
+
+        private void pickButton_Click(object sender, EventArgs e) {
+            PickClicked?.Invoke(this, WindowIndex);
+        }
+
+        private void untrackButton_Click(object sender, EventArgs e) {
+            UntrackClicked?.Invoke(this, WindowIndex);
+        }
+    }
+}

DD2Switcher/WindowPanelForm.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

DD2Switcher/packages.config

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Microsoft.Bcl.AsyncInterfaces" version="9.0.8" targetFramework="net48" />
+  <package id="System.Buffers" version="4.5.1" targetFramework="net48" />
+  <package id="System.IO.Pipelines" version="9.0.8" targetFramework="net48" />
+  <package id="System.Memory" version="4.5.5" targetFramework="net48" />
+  <package id="System.Numerics.Vectors" version="4.5.0" targetFramework="net48" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="6.0.0" targetFramework="net48" />
+  <package id="System.Text.Encodings.Web" version="9.0.8" targetFramework="net48" />
+  <package id="System.Text.Json" version="9.0.8" targetFramework="net48" />
+  <package id="System.Threading.Tasks.Extensions" version="4.5.4" targetFramework="net48" />
+  <package id="System.ValueTuple" version="4.5.0" targetFramework="net48" />
+</packages>