System.Windows.Rect.Scale C# (CSharp) Method

        public void Scale(double scaleX, double scaleY)
        {
            if (!this.IsEmpty)
            {
                this._x *= scaleX;
                this._y *= scaleY;
                this._width *= scaleX;
                this._height *= scaleY;
                if (scaleX < 0.0)
                {
                    this._x += this._width;
                    this._width *= -1.0;
                }
                if (scaleY < 0.0)
                {
                    this._y += this._height;
                    this._height *= -1.0;
                }
            }
        }

 public static Rect OffsetRect(Rect rect, Vector offset, double scale)
 {
     Rect result = new Rect(rect.TopLeft, rect.BottomRight);
     result.Offset(offset);
     result.Scale(scale, scale);
     return result;
 }