/// <summary>
/// Eine Page auf den Stack pushen
/// </summary>
/// <param name="nextPage">die Page</param>
/// <returns>Ergebnis</returns>
public async Task <object> PushPage(object nextPage)
{
if (MasterDetailPage != null)
{
MasterDetailPage.IsPresented = false;
}
var vm = (nextPage as IView).GetViewModel();
var page = nextPage as Page;
var navPage = NavPage;
await navPage.PushAsync(page, true);
var handler = new PopHandler(navPage, page);
_popHandlers.Add(handler);
var task = handler.WaitTillItPops();
await task;
if (!handler.HasBeenCanceled)
{
return(vm.ViewResult);
}
return(null);
}
