WPF Popup 버그

Nobody · 9월 14, 2023, 11:52오전

// MainWindow.cs

[DllImport("USER32.DLL")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool SetForegroundWindow(IntPtr hWnd);

public static void ActivatePopup(Popup popup)
{
    //try to get a handle on the popup itself (via its child)
    HwndSource source = (HwndSource)PresentationSource.FromVisual(popup.Child);
    IntPtr handle = source.Handle;

    //activate the popup
    SetForegroundWindow(handle);
}

// Popup
private void popup_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
    ActivatePopup(popup);
}

자세한 설명은 하단 링크를 참조하심이…