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using Xamarin.Forms.Platform.iOS;
using CoreGraphics;
using UIKit;
using Xamarin.Forms;
using FormsTestApp.iOS;
using FormsTestApp;
[assembly: ExportRenderer(typeof(CrossedOutLabel), typeof(CustomLabelRenderer))]
namespace FormsTestApp.iOS
public class CustomLabelRenderer : LabelRenderer
public override void Draw (CGRect rect)
using (var context = UIGraphics.GetCurrentContext ()) {
ClearCanvas (context, rect);
DrawLine (context, rect);
static void ClearCanvas (CGContext context, CGRect rect)
context.SetFillColor (Color.White.ToCGColor ());
context.FillRect (rect);
void DrawLine (CGContext context, CGRect rect)
var label = Element as CrossedOutLabel;
context.SetLineWidth (1);
context.SetStrokeColor (label.LineColor.ToCGColor ());
context.SetFillColor (label.BackgroundColor.ToCGColor ());
context.MoveTo (25, 15);
context.AddLineToPoint (100, -8);
context.DrawPath (CGPathDrawingMode.FillStroke);
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