Parameters
- cellRect
- The rectangle in table grid. For example, "Rectangle(1, 0, 2, 3)" means that outside border must be set for the following cells: [1,0], [2,0], [1,1], [2,1], [1,2], [2,2].
- borderSource
- The cell from which border style must be copied.
- borderSide
- The border side.