SuperMap.WindowsPhone.Mapping.Layer.ToBitmap C# (CSharp) Méthode

        public WriteableBitmap ToBitmap()
        {
            if (((this.Map == null) || double.IsNaN(this.Map.ActualWidth)) || ((double.IsNaN(this.Map.ActualHeight) || (this.Map.ActualWidth < 1.0)) || (this.Map.ActualWidth < 1.0)))
            {
                return null;
            }
            WriteableBitmap bitmap = new WriteableBitmap((int)this.Map.ActualWidth, (int)this.Map.ActualHeight);
            Point point = this.Container.TransformToVisual(this.Map).Transform(new Point(0.0, 0.0));
            TranslateTransform transform = new TranslateTransform { X = point.X, Y = point.Y };
            bitmap.Render(this.Container, transform);
            bitmap.Invalidate();
            return bitmap;
        }