COleControlSite::GetDefBtnCode
Determines if the control is a default push button.
DWORD GetDefBtnCode( );
Return Value
Can be one of the following values:
DLGC_DEFPUSHBUTTON Control is the default button in the dialog.
DLGC_UNDEFPUSHBUTTON Control is not the default button in the dialog.
0 Control is not a button.
Requirements
Header: afxocc.h