protected override void OnStartup(StartupEventArgs e)
{
base.OnStartup(e);
var frame = new TestFrame
{
Source = new Uri("MainPage.xaml", UriKind.Relative),
};
var window = new Window
{
Content = frame,
WindowState = WindowState.Maximized,
UseLayoutRounding = true
};
window.SetBinding(TitleBar.IsBackButtonVisibleProperty, new Binding("CanGoBack")
{
Source = frame
});
TitleBar.AddBackRequestedHandler(window, delegate { frame.GoBack(); });
MainWindow = window;
_isRootCreated = true;
window.Show();
}
public NavigationService(Window window, NavigationView navigationView, Frame frame)
{
this.navigationView = navigationView;
this.frame = frame;
this.navigationView.ItemInvoked += OnItemInvoked;
BackRequestedEventHandler += OnBackRequested;
TitleBar.AddBackRequestedHandler(window, BackRequestedEventHandler);
}
public NavigationService(Window window, NavigationView navigationView, Frame frame)
{
if (Current == null)
{
Current = this;
}
else
{
throw new InvalidOperationException("NavigationService的实例在运行期间仅允许创建一次");
}
this.navigationView = navigationView;
this.frame = frame;
this.navigationView.ItemInvoked += this.OnItemInvoked;
this.BackRequestedEventHandler += this.OnBackRequested;
TitleBar.AddBackRequestedHandler(window, this.BackRequestedEventHandler);
}
protected override void OnStartup(StartupEventArgs e)
{
base.OnStartup(e);
var frame = new ThemeAwareFrame
{
Source = new Uri("MainPage.xaml", UriKind.Relative),
};
var window = new Window
{
Content = frame
};
window.SetBinding(TitleBar.IsBackButtonVisibleProperty, new Binding("CanGoBack")
{
Source = frame
});
TitleBar.AddBackRequestedHandler(window, delegate { frame.GoBack(); });
window.Show();
}
