int CBCGPGridCtrl::InsertGroupColumn	(	int	nPos,
		int	nColumn
	)

Inserts a column into list of columns the grid items are grouped by.

Returns

Index of the column in the internal list of grouping columns, if successful; otherwise -1.

Insert the column into internal list of columns the grid items are grouped by.

Parameters

nPos	The zero-based index in the internal list of grouping columns. The column position specifies the grouping order.
nColumn	The zero-based index of the column to be inserted.