private void btnShowStandardSystemOverlays_Click(object sender, RoutedEventArgs e)
{
ApplicationView view = ApplicationView.GetForCurrentView();
// 在全屏状态下，是否显示系统 UI，比如标题栏和任务栏
view.ShowStandardSystemOverlays();
}
static void FullScreen(object sender, RoutedEventArgs e)
{
var button = sender as Button;
ApplicationView view = ApplicationView.GetForCurrentView();
bool isInFullScreenMode = view.IsFullScreenMode;
if (isInFullScreenMode)
{
view.ExitFullScreenMode();
button.Content = "FullScr";
view.ShowStandardSystemOverlays();
}
else
{
view.FullScreenSystemOverlayMode = FullScreenSystemOverlayMode.Minimal;
view.TryEnterFullScreenMode();
var bar = view.TitleBar;
bar.BackgroundColor = Color.FromArgb(0, 0, 0, 0);
button.Content = "Windowed";
}
}