BCGControlBar Pro for MFC
void CBCGPRibbonPanel::EnableLaunchButton ( UINT  uiCmdID,
int  nIconIndex = -1,
LPCTSTR  lpszKeys = NULL 
)

Tells the ribbon panel to display the launch button.

Call this function to tell the panel to display the launch button with specified command ID and icon.

Launch button is a small button located at the right bottom corner of ribbon panel. When user clicks this button, a command with specified ID is executed. When user places the launch button on Quick Access Toolbar, the library uses nIconIndex to display button's image. If nIconIndex is -1 the library uses a default image.

Parameters
uiCmdIDID of command to be associated with the launch button.
nIconIndexIcon index used to display button's image on Quick Access Toolbar.
lpszKeysSpecifies the key tip to be associated with the launch button.