| BOOL CBCGPMenuButton::SetupMenu | ( | UINT | nMenuResID, | 
| int | nSubMenuIndex = -1, | ||
| BOOL | bSplitButton = FALSE, | ||
| BOOL | bThemedMenu = TRUE | ||
| ) | 
Sets up the menu button content and appearance.
Call this method to initialize the menu button. Please note, that this this method should be called before control creation (m_hWnd should be NULL).
| nMenuResID | Menu resource ID. | 
| nSubMenuIndex | Specifies sub menu ID. | 
| bSplitButton | Specifies whether the menu button has a "split" mode. When this parameter is TRUE, the client area is "splitted": clicking on left side invokes a default button's action; right side (around arrow) - opens the menu. | 
| bThemedMenu | Specifies whether a drop-down menu should be themed (current visual manager style is applied). |