public void RaiseForwardRequested(HandledEventArgs args)
{
if (ForwardRequested == null)
{
args.Handled = this.Frame.ForwardStack.Count > 0;
if (args.Handled)
this.GoForward();
}
else
{
ForwardRequested?.Invoke(this, args);
}
}
public void RaiseBackRequested(HandledEventArgs args)
{
if (BackRequested == null)
{
args.Handled = this.Frame.BackStackDepth > 0;
if (args.Handled)
this.GoBack();
}
else
{
BackRequested?.Invoke(this, args);
}
}