Called by the framework to retrieve the object that has the keyboard focus.
Receives information about the object that has the focus. See pvarID inIAccessible::get_accFocus in the Platform SDK.
This function is part of MFC'ssupport.
Override this function in your CWnd-derived class if you have nonwindowed user interface elements (other than windowless ActiveX controls, which MFC handles).
For more information, see IAccessible::get_accFocus in the Platform SDK.