Ungroups a contiguous set of columns.

 public void UngroupColumns(int startColumnIndex, int numColumns)
Public Sub UngroupColumns(ByVal startColumnIndex As Integer, ByVal numColumns As Integer)

The 0-based index of the starting column.

The number of Columns to ungroup.

ws.UngroupColumns(0, 5);
ws.UngroupColumns(0, 5)