/// <summary>
/// Closes the entire popup/frame
/// </summary>
public void ClosePopup()
{
if (RequestClose != null)
{
RequestClose(this, new EventArgs());
}
SystemNavigationManagerEnhanced.GetForCurrentView().BackRequested -= PopupFrame_BackRequested;
}
protected override void OnNavigatingFrom(NavigatingCancelEventArgs e)
{
base.OnNavigatingFrom(e);
var navManager = SystemNavigationManagerEnhanced.GetForCurrentView();
navManager.BackRequested -= NavManager_BackRequested;
if (UseAutomaticBackButton)
{
navManager.AppViewBackButtonVisibility = AppViewBackButtonVisibility.Collapsed;
}
}
/// <summary>
/// Goes back, or closes the popup if can't go back
/// </summary>
public new void GoBack()
{
SystemNavigationManagerEnhanced.GetForCurrentView().AppViewBackButtonVisibility = Windows.UI.Core.AppViewBackButtonVisibility.Collapsed;
if (base.CanGoBack)
{
base.GoBack();
}
else
{
ClosePopup();
}
}
public static SystemNavigationManagerEnhanced GetForCurrentView()
{
SystemNavigationManagerEnhanced answer;
var original = SystemNavigationManager.GetForCurrentView();
if (!_cached.TryGetValue(original, out answer))
{
answer = new SystemNavigationManagerEnhanced(original);
_cached[original] = answer;
}
return(answer);
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (!_isLoaded || e.NavigationMode == NavigationMode.New)
{
_isLoaded = true;
this.OnLoaded(e);
}
var navManager = SystemNavigationManagerEnhanced.GetForCurrentView();
navManager.BackRequested += NavManager_BackRequested;
if (UseAutomaticBackButton)
{
UpdateAutoAppViewBackButtonVisibility();
}
}
public PopupFrame()
{
SystemNavigationManagerEnhanced.GetForCurrentView().BackRequested += PopupFrame_BackRequested;
}
