|nColArea||(Long) Detecting the area of the table (see Areas in the table).
At this moment only the value 1 can be entered = data area of the table (Main). It means deleting in the left part (Left) is not possible (it can only be set during the initialization phase by the InitCols method).
|iCol||(Long) Column index (zero-based index).
-1 = Delete from the end.
|nCount||[optional] (Long) Number of columns (default: 1).
-1 = Delete all columns from the selected column to the end.
oTable.DeleteCol(1, 3, 1);