/// <summary>
/// Return value indicates whether navigation should be cancelled
/// </summary>
internal bool CallOnLeavingNavigation(bool allowCancelNavigation)
{
var vm = GetCurrentViewModel();
if (vm != null)
{
var ev = new LeavingPageEventArgs()
{
CancellingNavigationAllowed = allowCancelNavigation
};
vm.OnLeave(ev);
return(ev.CancelNavigation);
}
return(false);
}
/// <summary>
/// Called when navigating away from ViewModel.
/// It's possible to cancel navigation with "args.CancelNavigation = true"
/// </summary>
public virtual void OnLeave(LeavingPageEventArgs args)
{
}