nature_net.user_controls.avatar_list.MoveAlongWith C# (CSharp) Метод

        public void MoveAlongWith(UserControl parent)
        {
            if (parent == null) return;
            MatrixTransform parent_matrix = (MatrixTransform)parent.RenderTransform;
            Matrix matrix = new Matrix();
            matrix.M11 = parent_matrix.Matrix.M11; matrix.M12 = parent_matrix.Matrix.M12;
            matrix.M21 = parent_matrix.Matrix.M21; matrix.M22 = parent_matrix.Matrix.M22;
            matrix.OffsetX = parent_matrix.Matrix.OffsetX; matrix.OffsetY = parent_matrix.Matrix.OffsetY;
            double dx = (parent.ActualWidth / 2) - (this.ActualWidth / 2);
            matrix.TranslatePrepend(dx, parent.ActualHeight);
            this.RenderTransform = new MatrixTransform(matrix);
        }