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Dear Support,
I need to get notified when selection changes in PropertyGrid’s combobox. For this reason I made a class derived from CExtPropertyGridCtrl and gave it a messagemap like this:

BEGIN_MESSAGE_MAP( CMyPropertyGridCtrl, CExtPropertyGridCtrl )
	ON_CBN_SELENDOK(__EXT_MFC_ID_PROPERTY_GRID_COMBO_BOX, OnComboSelEndOK)
END_MESSAGE_MAP()

Message handler method is afx_msg void OnComboSelEndOK(); I can never step inside this method. What am I missing?
Thank you.

Sorry, I should have looked inside code before asking. I found OnPgcStoreSelect virtual method, just what I need.

Yes, the CExtPropertyGridComboBoxBar class has a reflection handler for the CBN_SELENDOK notification and that is why you do not receive this notification in the parent CExtPropertyGridCtrl. So you can handle the selection of a property store in the combo box by overriding the CExtPropertyGridCtrl::OnPgcStoreSelect() method.