void CBCGPEditCtrl::SetOutlineMargin	(	BOOL	bShow = TRUE,
		int	nMarginWidth = 20
	)

Sets outline margin of the editor.

Used to set outline margin of the editor. If it is enabled, the edit control has a special area at the left side (outline margin) used to display expansion marks for each collapsible node.

Parameters

bShow	Specifies whether the outline margin is visible or not.
nMarginWidth	Specifies the width of the outline margin in pixels