ESRI.ArcGIS.Client.Toolkit.MagnifyingGlass.ApplyTranslationTransform C# (CSharp) Méthode

        private void ApplyTranslationTransform(double x, double y)
        {
            if (this.FlowDirection == System.Windows.FlowDirection.RightToLeft)
                x = -x;
            Transform renderTransform = this.RenderTransform;
            TransformGroup group = renderTransform as TransformGroup;
            MatrixTransform transform2 = renderTransform as MatrixTransform;
            TranslateTransform transform3 = renderTransform as TranslateTransform;
            if (transform3 == null)
            {
                if (group != null)
                {
                    if (group.Children.Count > 0)
                    {
                        transform3 = group.Children[group.Children.Count - 1] as TranslateTransform;
                    }
                    if (transform3 == null)
                    {
                        transform3 = new TranslateTransform();
                        group.Children.Add(transform3);
                    }
                }
                else
                {
                    if (transform2 != null)
                    {
                        Matrix matrix = transform2.Matrix;
                        matrix.OffsetX += x;
                        matrix.OffsetY += y;
                        MatrixTransform transform4 = new MatrixTransform();
                        transform4.Matrix = matrix;
                        this.RenderTransform = transform4;
                        return;
                    }
                    TransformGroup group2 = new TransformGroup();
                    transform3 = new TranslateTransform();
                    if (renderTransform != null)
                    {
                        group2.Children.Add(renderTransform);
                    }
                    group2.Children.Add(transform3);
                    this.RenderTransform = group2;
                }
            }
            transform3.X += x;
            transform3.Y += y;
        }