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