C# (CSharp) Xamarin.Forms Page.Descendants Examples

Example #1

File: ToolbarTracker.cs Project: zxyang178/Xamarin.Forms

        void UntrackTarget(Page page)
        {
            if (page == null)
            {
                return;
            }

            if (page is MasterDetailPage)
            {
                _masterDetails--;
            }

            ((ObservableCollection <ToolbarItem>)page.ToolbarItems).CollectionChanged -= OnCollectionChanged;
            page.Descendants().OfType <Page>().ForEach(UnregisterChildPage);

            page.DescendantAdded   -= OnChildAdded;
            page.DescendantRemoved -= OnChildRemoved;
            page.PropertyChanged   -= OnPropertyChanged;
        }

Example #2

File: ToolbarTracker.cs Project: Costo/Xamarin.Forms

		void UntrackTarget(Page page)
		{
			if (page == null)
				return;

			if (page is MasterDetailPage)
				_masterDetails--;

			((ObservableCollection<ToolbarItem>)page.ToolbarItems).CollectionChanged -= OnCollectionChanged;
			page.Descendants().OfType<Page>().ForEach(UnregisterChildPage);

			page.DescendantAdded -= OnChildAdded;
			page.DescendantRemoved -= OnChildRemoved;
			page.PropertyChanged -= OnPropertyChanged;
		}