Minimizing and then restoring EVE window makes its thumbnail tiny

Eve-O-Preview/Presentation/ThumbnailManager.cs

@@ -85,7 +85,7 @@ namespace EveOPreview.UI
 			foreach (KeyValuePair<IntPtr, IThumbnailView> entry in this._thumbnailViews)
 			{
 				entry.Value.Size = size;
-				entry.Value.Refresh();
+				entry.Value.Refresh(false);
 			}
 
 			this.ThumbnailSizeChanged?.Invoke(size);
@@ -139,7 +139,7 @@ namespace EveOPreview.UI
 				}
 				else
 				{
-					view.Refresh();
+					view.Refresh(false);
 				}
 			}
 
@@ -322,9 +322,15 @@ namespace EveOPreview.UI
 			DwmApiNativeMethods.SetForegroundWindow(id);
 
 			int style = DwmApiNativeMethods.GetWindowLong(id, DwmApiNativeMethods.GWL_STYLE);
+			// If the window was minimized then its thumbnail should be reset
 			if ((style & DwmApiNativeMethods.WS_MINIMIZE) == DwmApiNativeMethods.WS_MINIMIZE)
 			{
 				DwmApiNativeMethods.ShowWindowAsync(id, DwmApiNativeMethods.SW_SHOWNORMAL);
+				IThumbnailView view;
+				if (this._thumbnailViews.TryGetValue(id, out view))
+				{
+					view.Refresh(true);
+				}
 			}
 
 			if (this._configuration.EnableClientLayoutTracking)
@@ -348,7 +354,7 @@ namespace EveOPreview.UI
 
 			this.SetThumbnailsSize(view.Size);
 
-			view.Refresh();
+			view.Refresh(false);
 		}
 
 		private void ThumbnailViewMoved(IntPtr id)
@@ -362,7 +368,7 @@ namespace EveOPreview.UI
 
 			this._configuration.SetThumbnailLocation(view.Title, this._activeClientTitle, view.Location);
 
-			view.Refresh();
+			view.Refresh(false);
 		}
 
 		private bool IsNonClientWindowActive(IntPtr windowHandle)
@@ -391,7 +397,7 @@ namespace EveOPreview.UI
 			this.DisableViewEvents();
 
 			view.ZoomIn(ViewZoomAnchorConverter.Convert(this._configuration.ThumbnailZoomAnchor), this._configuration.ThumbnailZoomFactor);
-			view.Refresh();
+			view.Refresh(false);
 
 			this.EnableViewEvents();
 		}
@@ -401,7 +407,7 @@ namespace EveOPreview.UI
 			this.DisableViewEvents();
 
 			view.ZoomOut();
-			view.Refresh();
+			view.Refresh(false);
 
 			this.EnableViewEvents();
 		}

Eve-O-Preview/Program.cs

@@ -12,7 +12,7 @@ namespace EveOPreview
 		static void Main()
 		{
 			Application.EnableVisualStyles();
-			Application.SetCompatibleTextRenderingDefault(true);
+			Application.SetCompatibleTextRenderingDefault(false);
 
 			// TODO Switch to another container that provides signed assemblies
 			IIocContainer container = new LightInjectContainer();
@@ -31,7 +31,7 @@ namespace EveOPreview
 				.RegisterService<IConfigurationStorage, ConfigurationStorage>()
 				.RegisterInstance<IApplicationConfiguration>(new ApplicationConfiguration());
 
-			controller.Run<EveOPreview.UI.MainPresenter>();
+			controller.Run<MainPresenter>();
 		}
 	}
 }

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

@@ -114,7 +114,7 @@ namespace EveOPreview.UI
 		{
 			this.IsActive = false;
 
-			this.UnregisterThumbnail();
+			this.UnregisterThumbnail(this._thumbnailHandle);
 
 			this._overlay.Close();
 			base.Close();
@@ -215,15 +215,18 @@ namespace EveOPreview.UI
 			this.Location = this._baseLocation;
 		}
 
-		public new void Refresh()
+		public void Refresh(bool forceRefresh)
 		{
-			if (this._isThumbnailSetUp == false)
+			// To prevent flickering the old broken thumbnail is removed AFTER the new shiny one is created
+			IntPtr obsoleteThumbnailHanlde = forceRefresh ? this._thumbnailHandle : IntPtr.Zero;
+
+			if ((this._isThumbnailSetUp == false) || forceRefresh)
 			{
 				this.RegisterThumbnail();
 			}
 
-			bool sizeChanged = this._isSizeChanged;
-			bool locationChanged = this._isPositionChanged;
+			bool sizeChanged = this._isSizeChanged || forceRefresh;
+			bool locationChanged = this._isPositionChanged || forceRefresh;
 
 			if (sizeChanged)
 			{
@@ -239,6 +242,11 @@ namespace EveOPreview.UI
 				this._isSizeChanged = false;
 			}
 
+			if (obsoleteThumbnailHanlde != IntPtr.Zero)
+			{
+				this.UnregisterThumbnail(obsoleteThumbnailHanlde);
+			}
+
 			if (!this.IsOverlayEnabled)
 			{
 				if (this._isOverlayVisible)
@@ -320,10 +328,12 @@ namespace EveOPreview.UI
 			//	// do smth cool?
 			//}
 
-			//if (e.Button == MouseButtons.Middle)
-			//{
-			//	// do smth cool?
-			//}
+			if (e.Button == MouseButtons.Middle)
+			{
+				//// Trigger full thumbnail refresh
+				//this.UnregisterThumbnail();
+				//this.Refresh();
+			}
 		}
 		#endregion
 
@@ -343,11 +353,14 @@ namespace EveOPreview.UI
 			this._isThumbnailSetUp = true;
 		}
 
-		private void UnregisterThumbnail()
+		private void UnregisterThumbnail(IntPtr thumbnailHandle)
 		{
-			if (this._thumbnailHandle != IntPtr.Zero)
+			try
+			{
+				DwmApiNativeMethods.DwmUnregisterThumbnail(thumbnailHandle);
+			}
+			catch (ArgumentException)
 			{
-				DwmApiNativeMethods.DwmUnregisterThumbnail(this._thumbnailHandle);
 			}
 		}
 

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

@@ -24,7 +24,7 @@ namespace EveOPreview.UI
 		void ZoomIn(ViewZoomAnchor anchor, int zoomFactor);
 		void ZoomOut();
 
-		void Refresh();
+		void Refresh(bool forceRefresh);
 
 		Action<IntPtr> ThumbnailResized { get; set; }
 		Action<IntPtr> ThumbnailMoved { get; set; }