Allow to minimize the client by Crtl+Click on its thumbnail

Eve-O-Preview/DwmAPI/WindowManagerNativeMethods.cs

@@ -119,6 +119,10 @@ namespace EveOPreview
 		public const UInt32 WS_EX_NOACTIVATE = 0x08000000;
 
 		public const int WM_SIZE = 5;
+		public const int WM_SYSCOMMAND = 0x0112;
+
+		public const int SC_MINIMIZE = 0xf020;
+
 		public const int SIZE_RESTORED = 0;
 		public const int SIZE_MINIMIZED = 1;
 		public const int SIZE_MAXIMIZED = 2;

Eve-O-Preview/Presentation/ThumbnailManager.cs

@@ -227,6 +227,7 @@ namespace EveOPreview.UI
 					view.ThumbnailFocused = this.ThumbnailViewFocused;
 					view.ThumbnailLostFocus = this.ThumbnailViewLostFocus;
 					view.ThumbnailActivated = this.ThumbnailActivated;
+					view.ThumbnailDeactivated = this.ThumbnailDeactivated;
 
 					view.RegisterHotkey(this._configuration.GetClientHotkey(processTitle));
 
@@ -353,6 +354,29 @@ namespace EveOPreview.UI
 			view?.Refresh(true);
 		}
 
+		private void ThumbnailDeactivated(IntPtr id)
+		{
+			IThumbnailView view;
+			this._thumbnailViews.TryGetValue(id, out view);
+
+
+			if (view?.Id == this._activeClientHandle)
+			{
+				WindowManagerNativeMethods.SendMessage(view.Id, WindowManagerNativeMethods.WM_SYSCOMMAND, WindowManagerNativeMethods.SC_MINIMIZE, 0);
+			}
+			else
+			{
+				int style = WindowManagerNativeMethods.GetWindowLong(id, WindowManagerNativeMethods.GWL_STYLE);
+				// If the window is not already minimized then minimize it
+				if ((style & WindowManagerNativeMethods.WS_MINIMIZE) != WindowManagerNativeMethods.WS_MINIMIZE)
+				{
+					WindowManagerNativeMethods.ShowWindowAsync(id, WindowManagerNativeMethods.SW_SHOWMINIMIZED);
+				}
+			}
+
+			this.RefreshThumbnails();
+		}
+
 		private void ThumbnailViewResized(IntPtr id)
 		{
 			if (this._ignoreViewEvents)

Eve-O-Preview/UI/Implementation/ThumbnailView.cs

@@ -101,6 +101,8 @@ namespace EveOPreview.UI
 
 		public Action<IntPtr> ThumbnailActivated { get; set; }
 
+		public Action<IntPtr> ThumbnailDeactivated { get; set; }
+
 		public new void Show()
 		{
 			base.Show();
@@ -434,9 +436,16 @@ namespace EveOPreview.UI
 		private void MouseDown_Handler(object sender, MouseEventArgs e)
 		{
 			if (e.Button == MouseButtons.Left)
+			{
+				if (Control.ModifierKeys == Keys.Control)
+				{
+					this.ThumbnailDeactivated?.Invoke(this.Id);
+				}
+				else
 				{
 					this.ThumbnailActivated?.Invoke(this.Id);
 				}
+			}
 
 			if ((e.Button == MouseButtons.Right) || (e.Button == (MouseButtons.Left | MouseButtons.Right)))
 			{

Eve-O-Preview/UI/Interface/IThumbnailView.cs

@@ -35,6 +35,8 @@ namespace EveOPreview.UI
 		Action<IntPtr> ThumbnailMoved { get; set; }
 		Action<IntPtr> ThumbnailFocused { get; set; }
 		Action<IntPtr> ThumbnailLostFocus { get; set; }
+
 		Action<IntPtr> ThumbnailActivated { get; set; }
+		Action<IntPtr> ThumbnailDeactivated { get; set; }
 	}
 }