private void about_Click(object sender, RoutedEventArgs e) { About about = new About(); about.ShowDialog(); }
private static IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled) { // Check if a System Command has been executed if (msg == Win32Api.WM_SYSCOMMAND) { // Execute the appropriate code for the System Menu item that was clicked switch (wParam.ToInt32()) { case _AboutSysMenuID: handled = true; About about = new About(); about.ShowDialog(); break; } } return IntPtr.Zero; }