fix:窗口置顶异常

2026-04-17 13:14:23 +08:00
parent 7003bb8426
commit 231b850f74
5 changed files with 134 additions and 13 deletions
@@ -401,7 +401,9 @@ namespace Ink_Canvas
                if (!ok) return;
            }

-            new NamesInputWindow().ShowDialog();
+            var namesInputWindow = new NamesInputWindow();
+            namesInputWindow.Owner = this;
+            namesInputWindow.ShowDialog();
            Window_Loaded(this, null);
        }

@@ -1,5 +1,8 @@
-using System;
+using System;
+using System.Runtime.InteropServices;
 using System.Windows;
+using System.Windows.Interop;
+using System.Windows.Threading;

 namespace Ink_Canvas
 {
@@ -8,9 +11,26 @@ namespace Ink_Canvas
    /// </summary>
    public partial class YesOrNoNotificationWindow : Window
    {
+        [DllImport("user32.dll")]
+        private static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags);
+
+        [DllImport("user32.dll")]
+        private static extern IntPtr GetForegroundWindow();
+
+        [DllImport("user32.dll")]
+        private static extern bool IsWindowVisible(IntPtr hWnd);
+
+        private static readonly IntPtr HWND_TOPMOST = new IntPtr(-1);
+        private const uint SWP_NOMOVE = 0x0002;
+        private const uint SWP_NOSIZE = 0x0001;
+        private const uint SWP_SHOWWINDOW = 0x0040;
+        private const uint SWP_NOOWNERZORDER = 0x0200;
+
        private readonly Action _yesAction;
        private readonly Action _noAction;
        private readonly Action _windowClose;
+        private DispatcherTimer _topmostCheckTimer;
+        private IntPtr _hwnd;

        public YesOrNoNotificationWindow(string text, Action yesAction = null, Action noAction = null, Action windowClose = null)
        {
@@ -19,6 +39,62 @@ namespace Ink_Canvas
            _windowClose = windowClose;
            InitializeComponent();
            Label.Text = text;
+
+            Loaded += YesOrNoNotificationWindow_Loaded;
+            Closed += YesOrNoNotificationWindow_Closed;
+        }
+
+        private void YesOrNoNotificationWindow_Loaded(object sender, RoutedEventArgs e)
+        {
+            _hwnd = new WindowInteropHelper(this).Handle;
+            
+            Topmost = true;
+            Activate();
+            Focus();
+
+            if (_hwnd != IntPtr.Zero)
+            {
+                SetWindowPos(_hwnd, HWND_TOPMOST, 0, 0, 0, 0,
+                    SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOOWNERZORDER);
+            }
+
+            _topmostCheckTimer = new DispatcherTimer();
+            _topmostCheckTimer.Interval = TimeSpan.FromMilliseconds(100);
+            _topmostCheckTimer.Tick += TopmostCheckTimer_Tick;
+            _topmostCheckTimer.Start();
+        }
+
+        private void TopmostCheckTimer_Tick(object sender, EventArgs e)
+        {
+            try
+            {
+                if (_hwnd == IntPtr.Zero) return;
+
+                var foregroundWindow = GetForegroundWindow();
+                
+                if (foregroundWindow != _hwnd && IsWindowVisible(_hwnd))
+                {
+                    Topmost = true;
+                    Activate();
+                    Focus();
+                    
+                    SetWindowPos(_hwnd, HWND_TOPMOST, 0, 0, 0, 0,
+                        SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW | SWP_NOOWNERZORDER);
+                }
+            }
+            catch (Exception)
+            {
+            }
+        }
+
+        private void YesOrNoNotificationWindow_Closed(object sender, EventArgs e)
+        {
+            if (_topmostCheckTimer != null)
+            {
+                _topmostCheckTimer.Stop();
+                _topmostCheckTimer.Tick -= TopmostCheckTimer_Tick;
+                _topmostCheckTimer = null;
+            }
        }

        private void ButtonYes_Click(object sender, RoutedEventArgs e)