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using System.ComponentModel;
using Windows.Foundation;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Media;
#if WINDOWS_UWP
namespace Xamarin.Forms.Platform.UWP
#else
namespace Xamarin.Forms.Platform.WinRT
#endif
{
public class LayoutRenderer : ViewRenderer<Layout, FrameworkElement>
{
protected override void OnElementChanged(ElementChangedEventArgs<Layout> e)
{
base.OnElementChanged(e);
if (e.OldElement != null)
{
SizeChanged -= OnSizeChanged;
}
if (e.NewElement != null)
{
SizeChanged += OnSizeChanged;
UpdateClipToBounds();
}
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
if (e.PropertyName == Layout.IsClippedToBoundsProperty.PropertyName)
UpdateClipToBounds();
}
void OnSizeChanged(object sender, SizeChangedEventArgs e)
{
UpdateClipToBounds();
}
void UpdateClipToBounds()
{
Clip = null;
if (Element.IsClippedToBounds)
{
Clip = new RectangleGeometry { Rect = new Rect(0, 0, ActualWidth, ActualHeight) };
}
}
}
}
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