private void OnBackButtonPressed(object args)
{
if (CanGoBack)
{
return;
}
var backPressedHandledDelegate = PlatformExtensions.SetBackPressedHandledDelegate;
if (backPressedHandledDelegate == null)
{
RaiseNavigated(BackButtonNavigationEventArgs.Instance);
return;
}
var navigating = Navigating;
if (navigating == null)
{
RaiseNavigated(BackButtonNavigationEventArgs.Instance);
return;
}
var navArgs = new BackButtonNavigatingEventArgs();
navigating(this, navArgs);
backPressedHandledDelegate(args, navArgs.Cancel);
}
private void OnBackButtonPressed(CancelEventArgs args)
{
if (CanGoBack)
{
return;
}
var navigating = Navigating;
if (navigating == null)
{
RaiseNavigated(BackButtonNavigationEventArgs.Instance);
return;
}
var navArgs = new BackButtonNavigatingEventArgs();
navigating(this, navArgs);
args.Cancel = navArgs.Cancel;
}
private void OnBackButtonPressed(object args)
{
if (CanGoBack)
return;
var backPressedHandledDelegate = PlatformExtensions.SetBackPressedHandledDelegate;
if (backPressedHandledDelegate == null)
{
RaiseNavigated(BackButtonNavigationEventArgs.Instance);
return;
}
var navigating = Navigating;
if (navigating == null)
{
RaiseNavigated(BackButtonNavigationEventArgs.Instance);
return;
}
var navArgs = new BackButtonNavigatingEventArgs();
navigating(this, navArgs);
backPressedHandledDelegate(args, navArgs.Cancel);
}
private void OnBackButtonPressed(CancelEventArgs args)
{
if (CanGoBack)
return;
var navigating = Navigating;
if (navigating == null)
{
RaiseNavigated(BackButtonNavigationEventArgs.Instance);
return;
}
var navArgs = new BackButtonNavigatingEventArgs();
navigating(this, navArgs);
args.Cancel = navArgs.Cancel;
}