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CWnd::OnSetFocus 

The framework calls this member function after gaining the input focus.


afx_msg void OnSetFocus(
   CWnd* pOldWnd 
);

Parameters

pOldWnd

Contains the CWnd object that loses the input focus (may be NULL). The pointer may be temporary and should not be stored for later use.

To display a caret, CWnd should call the appropriate caret functions at this point.

NoteNote

This member function is called by the framework to allow your application to handle a Windows message. The parameters passed to your function reflect the parameters received by the framework when the message was received. If you call the base-class implementation of this function, that implementation will use the parameters originally passed with the message and not the parameters you supply to the function.

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