BCGControlBar Pro for MFC
UINT BCGM_ONPROCESSKEYBOARDACCELERATOR

The BCGM_ONPROCESSKEYBOARDACCELERATOR message is sent to the active frame window upon processing the keyboard accelerator.

Add BCGM_ONPROCESSKEYBOARDACCELERATOR registered message handler to the frame window to implement custom processing for keyboard accelerators. For example, if the command is associated with one of the toolbar controls, such as a combo box, you can display the corresponding dialog.

Parameters
wParamThe command ID
lParamThis parameter is not used.
Returns
if the application processes this message, it should return non-zero.