Parameters
- ranges
- The list of rectangular areas to include in the group, each area is identified by a System.Drawing.Rectangle structure as follows:
- System.Drawing.Rectangle.X is the column index of the top left cell;
- System.Drawing.Rectangle.Y is the row index of the top left cell;
- System.Drawing.Rectangle.Width is the number of columns;
- System.Drawing.Rectangle.X is the number of rows.