BCGControlBar Pro for MFC
UINT BCGM_PROPERTY_COMMAND_CLICKED

The message is sent to the owner of property list control (CBCGPPropList) when the user clicks a command (a link displayed in the "commands" area).

Parameters
wParamcontains the control ID of the property list.
lParamzero-based index of a clicked command in the list of commands specified by lstCmdNames parameter for the CBCGPPropList::SetCommands method.
Returns
the return value is ignored.