SSpread.DeleteCols Method

Explanation	Deletes the specified column or column range. Deleting a column does not reduce the number of columns set in the MaxCols property, it automatically adds a blank column at the end of the spreadsheet.
Call format	DeleteCols(col, numcols)
Return value	None
Arguments	col	First column number in the range of columns to delete
	numcols	Number of columns to delete
Exception	EXT-1	Invalid DeleteCols argument
	EXT-28	An error occurred in the DeleteCols method
Example of use	`Function OnRClicked(e) { if (e.Row == 0 && e.Col > 0) { var ret = PopupMenu("Insert column", "Delete column"); switch (ret) { case 1: InsertCols(e.Col, 1); break; case 2: DeleteCols(e.Col, 1); break; } } }`
Related item	MaxCols property DeleteRows, InsertCols methods