private async void NavigateToPageCmd_Do(LeftBarItem leftBarItem)
{
if (leftBarItem == null)
{
return;
}
var result = await NavigationService.NavigateAsync(leftBarItem.destination);
if (!result.Success)
{
}
}
private async void GoToPageACmd_Do(LeftBarItem leftBarItem)
{
await NavigationService.NavigateAsync(leftBarItem.destination);
}