Add SnapLayout Options support for Win11 (#345)

dnSpy/dnSpy/Controls/WinSysButton.cs

@@ -58,7 +58,10 @@ public CurrentWinSysType CurrentWinSysType {
 
 		static WinSysButton() => DefaultStyleKeyProperty.OverrideMetadata(typeof(WinSysButton), new FrameworkPropertyMetadata(typeof(WinSysButton)));
 
-		public WinSysButton() => Loaded += WinSysButton_Loaded;
+		public WinSysButton() {
+			Loaded += WinSysButton_Loaded;
+			Click += WinSysButton_Click;
+		}
 
 		void WinSysButton_Loaded(object? sender, RoutedEventArgs e) {
 			Loaded -= WinSysButton_Loaded;
@@ -67,6 +70,32 @@ void WinSysButton_Loaded(object? sender, RoutedEventArgs e) {
 				window.StateChanged += window_StateChanged;
 		}
 
+		void WinSysButton_Click(object sender, RoutedEventArgs e) {
+			if (window is null)
+				return;
+
+			switch (CurrentWinSysType) {
+			case CurrentWinSysType.Minimize:
+				WindowUtils.Minimize(window);
+				break;
+
+			case CurrentWinSysType.Maximize:
+				WindowUtils.Maximize(window);
+				break;
+
+			case CurrentWinSysType.Restore:
+				WindowUtils.Restore(window);
+				break;
+
+			case CurrentWinSysType.Close:
+				window.Close();
+				break;
+
+			default:
+				throw new ArgumentException("Invalid CurrentWinSysType");
+			}
+		}
+
 		void window_StateChanged(object? sender, EventArgs e) => OnWinSysTypeChanged(WinSysType);
 		static void OnWinSysTypeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) =>
 			((WinSysButton)d).OnWinSysTypeChanged((WinSysType)e.NewValue);
@@ -97,31 +126,5 @@ void OnWinSysTypeChanged(WinSysType newValue) {
 				throw new ArgumentException("Invalid WinSysType");
 			}
 		}
-
-		protected override void OnClick() {
-			if (window is null)
-				return;
-
-			switch (CurrentWinSysType) {
-			case CurrentWinSysType.Minimize:
-				WindowUtils.Minimize(window);
-				break;
-
-			case CurrentWinSysType.Maximize:
-				WindowUtils.Maximize(window);
-				break;
-
-			case CurrentWinSysType.Restore:
-				WindowUtils.Restore(window);
-				break;
-
-			case CurrentWinSysType.Close:
-				window.Close();
-				break;
-
-			default:
-				throw new ArgumentException("Invalid CurrentWinSysType");
-			}
-		}
 	}
 }

dnSpy/dnSpy/Lib/EleCho.WpfSuite/Utilities/WindowOption.NativeMethods.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace EleCho.WpfSuite {
+	public partial class WindowOption {
+		internal static class NativeDefinition {
+			public const nint WM_NCHITTEST = 0x0084;
+			public const nint WM_NCMOUSELEAVE = 0x02A2;
+			public const nint WM_NCLBUTTONDOWN = 0x00A1;
+			public const nint WM_NCLBUTTONUP = 0x00A2;
+			public const nint WM_MOUSEMOVE = 0x0200;
+
+			public const nint HTCLOSE = 20;
+			public const nint HTMAXBUTTON = 9;
+			public const nint HTMINBUTTON = 8;
+		}
+	}
+}