private void Initialize()
 {
     _path = new Path();
     _bitmapPaint = new Paint(PaintFlags.Dither);
     _paint = new Paint
     {
         AntiAlias = true,
         Dither = true,
         Color = Color.Argb(255, 0, 0, 0)
     };
     _paint.SetStyle(Paint.Style.Stroke);
     _paint.StrokeJoin = Paint.Join.Round;
     _paint.StrokeCap = Paint.Cap.Round;
     _paint.StrokeWidth = 8;
     SignatureData = new SignatureData();
 }
 public void Clear()
 {
     ClearCanvas();
     SignatureData = new SignatureData();
 }