WPF Window 設置IsHitTestVisible="False" 可是仍是不能透過窗口點擊下方控件

public static class WindowsServices { const int WS_EX_TRANSPARENT = 0x00000020; const int GWL_EXSTYLE = (-20); [DllImport("user32.dll")] static extern int GetWindowLong(IntPtr hwnd, int index); [DllImport("user32.dll")] static extern int SetWindowLong(IntPtr hwnd, int index, int newStyle); public static void SetWindowExTransparent(IntPtr hwnd) { var extendedStyle = GetWindowLong(hwnd, GWL_EXSTYLE); SetWindowLong(hwnd, GWL_EXSTYLE, extendedStyle | WS_EX_TRANSPARENT); } }

窗口增長

protected override void OnSourceInitialized(EventArgs e) { base.OnSourceInitialized(e); var hwnd = new WindowInteropHelper(this).Handle; WindowsServices.SetWindowExTransparent(hwnd); }