BCGControlBar Pro for MFC
void CBCGPRibbonCategory::SetKeys ( LPCTSTR  lpszKeys)

Assigns a key tip for category.

Sets a key tip for the ribbon tab associated with the current CBCGPRibbonCategory. The key tip will be displayed when the CBCGPRibbonCategory is in the collapsed mode,

Parameters
lpszKeysContains a key tip to set.