CustomRendererFull.Example.snippet

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    <Header>
      <Title>CustomRendererFull.Example</Title>
      <Author>DESKTOP-7I0PTHF</Author>
      <Description />
      <HelpUrl></HelpUrl>
      <SnippetTypes>
        <SnippetType>Expansion</SnippetType>
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        <Keyword></Keyword>
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    <Snippet>
      <References />
      <Imports />
      <Declarations />
      <Code Language="CSharp" Kind="method body" Delimiter="$"><![CDATA[[assembly: ExportRenderer(typeof(SketchView /* forms element */), typeof(SketchViewRenderer /* forms renderer */))]
namespace XFDraw.Droid
{
    class SketchViewRenderer : ViewRenderer<SketchView /* forms element */, PaintView /* native control */> 
    {
        protected override void OnElementChanged(ElementChangedEventArgs<SketchView> e)
        {
            base.OnElementChanged(e);

            if (Control == null) // better check here
            {
                var paintView = new PaintView(Forms.Context);
                paintView.SetInkColor(Element.InkColor.ToAndroid());
                SetNativeControl(paintView);
            }
        }

        protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            base.OnElementPropertyChanged(sender, e);

            if (e.PropertyName == SketchView.InkColorProperty.PropertyName) // only if bindable property is changed
            {
                Control.SetInkColor(Element.InkColor.ToAndroid()); // do native change
            }
        }
    }
}]]></Code>
    </Snippet>
  </CodeSnippet>
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