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using System.ComponentModel;
using System.Windows;
using System.Windows.Controls;
namespace Xamarin.Forms.Platform.WinPhone
{
public class FrameRenderer : ViewRenderer<Frame, Border>
{
public FrameRenderer()
{
AutoPackage = false;
}
protected override void OnElementChanged(ElementChangedEventArgs<Frame> e)
{
base.OnElementChanged(e);
SetNativeControl(new Border());
PackChild();
UpdateBorder();
UpdateCornerRadius();
}
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
if (e.PropertyName == "Content")
PackChild();
else if (e.PropertyName == Frame.OutlineColorProperty.PropertyName || e.PropertyName == Frame.HasShadowProperty.PropertyName)
UpdateBorder();
else if (e.PropertyName == Frame.CornerRadiusProperty.PropertyName)
UpdateCornerRadius();
}
void PackChild()
{
if (Element.Content == null)
return;
Platform.SetRenderer(Element.Content, Platform.CreateRenderer(Element.Content));
UIElement element = Platform.GetRenderer(Element.Content).ContainerElement;
Control.Child = element;
}
void UpdateBorder()
{
if (Element.OutlineColor != Color.Default)
{
Control.BorderBrush = Element.OutlineColor.ToBrush();
Control.BorderThickness = new System.Windows.Thickness(1);
}
else
Control.BorderBrush = new Color(0, 0, 0, 0).ToBrush();
}
void UpdateCornerRadius()
{
float cornerRadius = Element.CornerRadius;
if (cornerRadius == -1f)
cornerRadius = 5f; // default corner radius
Control.CornerRadius = new CornerRadius(cornerRadius);
}
}
}
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