TableCell.getRowColumnSpan

bool getRowColumnSpan(out int row, out int column, out int rowSpan, out int columnSpan)

Gets the row and column indexes and span of this cell accessible.

If the object does not implement this function, then, by default, atk

will implement this function by calling get_row_span and get_column_span on the object.

`row`	the row index of the given cell.
`column`	the column index of the given cell.
`rowSpan`	the number of rows occupied by this cell.
`columnSpan`	the number of columns occupied by this cell.

TRUE if successful; FALSE otherwise.