From 79bdeb16d1f5d2c5ed101c8edd1c9d315534673b Mon Sep 17 00:00:00 2001
From: awaescher <awaescher@gmx.de>
Date: Mon, 17 Jul 2023 17:42:35 +0200
Subject: [PATCH] Start and stop the mouse hook for the tray context menu

---
 StageManager/MainWindow.xaml    |  4 ++-
 StageManager/MainWindow.xaml.cs | 49 +++++++++++++++++++++++++--------
 2 files changed, 41 insertions(+), 12 deletions(-)

diff --git a/StageManager/MainWindow.xaml b/StageManager/MainWindow.xaml
index 66e9d70..247a5de 100644
--- a/StageManager/MainWindow.xaml
+++ b/StageManager/MainWindow.xaml
@@ -117,7 +117,9 @@
             IconSource="StageManager.ico"
             MenuActivation="LeftOrRightClick">
             <tb:TaskbarIcon.ContextMenu>
-                <ContextMenu>
+                <ContextMenu
+                    Opened="ContextMenu_Opened"
+                    Closed="ContextMenu_Closed">
                     <MenuItem
                         Header="Start with Windows"
                         IsCheckable="True"
diff --git a/StageManager/MainWindow.xaml.cs b/StageManager/MainWindow.xaml.cs
index e9e3acc..e0f1663 100644
--- a/StageManager/MainWindow.xaml.cs
+++ b/StageManager/MainWindow.xaml.cs
@@ -57,21 +57,12 @@ protected override void OnInitialized(EventArgs e)
 			_thisHandle = new System.Windows.Interop.WindowInteropHelper(this).Handle;
 			_lastWidth = Width;
 
-			_hook = new TaskPoolGlobalHook();
-
-			_hook.MousePressed += OnMousePressed;
-			_hook.MouseReleased += OnMouseReleased;
-			_hook.MouseMoved += _hook_MouseMoved;
-
-			Task.Run(_hook.Run);
+			StartHook();
 		}
 
 		protected override void OnClosed(EventArgs e)
 		{
-			_hook.MousePressed -= OnMousePressed;
-			_hook.MouseReleased -= OnMouseReleased;
-			_hook.MouseMoved -= _hook_MouseMoved;
-			_hook.Dispose();
+			StopHook();
 
 			trayIcon.Dispose();
 
@@ -318,6 +309,32 @@ private void ApplyWindowMode()
 			BeginAnimation(LeftProperty, animation);
 		}
 
+		private void StartHook()
+		{
+			_hook = new TaskPoolGlobalHook();
+
+			_hook.MousePressed += OnMousePressed;
+			_hook.MouseReleased += OnMouseReleased;
+			_hook.MouseMoved += _hook_MouseMoved;
+
+			Task.Run(_hook.Run);
+		}
+
+		private void StopHook()
+		{
+			_hook.MousePressed -= OnMousePressed;
+			_hook.MouseReleased -= OnMouseReleased;
+			_hook.MouseMoved -= _hook_MouseMoved;
+
+			try
+			{
+				_hook.Dispose();
+			}
+			catch (HookException)
+			{
+			}
+		}
+
 		private void _hook_MouseMoved(object? sender, MouseHookEventArgs e)
 		{
 			_mouse.X = e.Data.X;
@@ -378,6 +395,16 @@ private void MenuItem_Quit_Click(object sender, RoutedEventArgs e)
 		{
 			Close();
 		}
+
+		private void ContextMenu_Closed(object sender, RoutedEventArgs e)
+		{
+			StartHook();
+		}
+
+		private void ContextMenu_Opened(object sender, RoutedEventArgs e)
+		{
+			StopHook();
+		}
 	}
 
 	public enum WindowMode