Question

在我的WPF / C＃应用程序中，我正在使用如下代码创建一个对话框窗口：

Window dialog = new MyDialog() as Window;
dialog.Owner = Window.GetWindow(this);
dialog.ShowDialog();

如何将对话框所有者设置为另一个应用程序窗口的hWnd？

我需要的功能就是在对话框可见时阻止“所有者窗口”。

Answer 1

使用WindowInteropHelper：

Window dialog = new MyDialog();
WindowInteropHelper wih = new WindowInteropHelper(dialog);
wih.Owner = ownerHwnd;
dialog.ShowDialog();

Answer 2

我找到了阻止“所有者窗口”的解决方案。代码的第一部分来自Douglas的回答，其余的是使用对WinAPI EnableWindow方法的调用：

Window dialog = new MyDialog();
WindowInteropHelper wih = new WindowInteropHelper(dialog);
wih.Owner = ownerHwnd;

//Block input to the owner
Windows.EnableWindow(ownerHwnd, false);

EventHandler onClosed = null;
onClosed = (object sender, EventArgs e) =>
{
    //Re-Enable the owner window once the dialog is closed
    Windows.EnableWindow(ownerHwnd, true);

    (sender as Window).closed -= onClosed;
};

dialog.Closed += onClosed;
dialog.WindowStartupLocation = WindowStartupLocation.CenterOwner;
dialog.ShowActivated = true;
dialog.Show();

//Import the EnableWindow method
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool EnableWindow(IntPtr hWnd, bool bEnable);

使用hWnd设置Window.Owner

2 个答案: