private void FrameNavigating(object sender, NavigatingCancelEventArgs e)
{
if (_isFastResume)
{
_isFastResume = false;
var args = new FastResumeArgs(e.Uri);
OnFastResume(args);
if (args.ClearHistory)
{
_clearHistory = true;
}
else if (args.PreserveLastOpenedPage)
{
e.Cancel = true;
}
return;
}
if (DesignerProperties.IsInDesignTool || e.NavigationMode == NavigationMode.Back)
{
return;
}
var model = GetCurrentViewModel();
if (model == null)
{
return;
}
var tombstoneManager = Container.Resolve<TombstoneManager>();
tombstoneManager.SaveState(model);
}
protected virtual void OnFastResume(FastResumeArgs args)
{
}