gistfile1.txt

	public class PolygonOverlay : MKPolygonView{
		
		private MKPolygon _polygon;
		public PolygonOverlay(MKPolygon polygon)
		{
			_polygon = polygon;	
		}
		public CGPath polyPath(MKPolygon polygon)
		{
			
			
			MKMapPoint[] points =polygon.Points;
    		Int32 pointCount = polygon.PointCount;
    		Int32 i;

		    if (pointCount < 3)
		        return null;
		
		    CGPath path = new CGPath();
		
			/*
		    foreach (MKPolygon interiorPolygon in polygon.InteriorPolygons) {
		        CGPath interiorPath = this.polyPath(interiorPolygon);
		        CGPathAddPath(path, NULL, interiorPath);
		        CGPathRelease(interiorPath);
		    }*/
		
		    PointF relativePoint = this.PointForMapPoint(points[0]);
		    path.MoveToPoint(relativePoint.X, relativePoint.Y);
		    for (i = 1; i < pointCount; i++) {
		        relativePoint = this.PointForMapPoint(points[i]);
		        path.CGPathAddLineToPoint(relativePoint.X, relativePoint.Y);
		    }
		
		    return path;
					
				}
		public override void DrawMapRect (MKMapRect mapRect,float zoomScale,CGContext context)
		{
			 CGPath path = this.polyPath(_polygon);
        if (path != null) {
            this.ApplyFillProperties(context ,zoomScale);
            context.BeginPath();
            context.AddPath(path);// CGContextAddPath(context, path);
            
		    context.DrawPath(CGPathDrawingMode.EOFill); //  CGContextDrawPath(context, kCGPathEOFill);
            this.ApplyStrokeProperties(context,zoomScale);
            context.BeginPath();// CGContextBeginPath(context);
            context.AddPath(path);// CGContextAddPath(context, path);
            context.StrokePath();// CGContextStrokePath(context);
            
        }
		}
		
	}