Parameters
- name
- The name of XLNamedRange object.
- sheet
- The worksheet the range belongs to.
- rowIndex
- The row index of the cell in the range.
- colIndex
- The column index of the cell in the range.
Return Value
A reference to the object if it was successfully added to the collection, or null if the object could not be added (usually because it overlaps another cell range already in the collection).