BCGControlBar Pro for MFC
UINT BCGM_PROPERTY_GROUP_CHANGED

The message is sent to the owner of property list control (CBCGPPropList) when the value of property group was changed.

Parameters
wParamcontains the control ID of the property list.
lParama pointer to the property group (CBCGPProp) that was changed.
Returns
the return value is ignored.