CWnd::GetCheckedRadioButton
Retrieves the ID of the currently checked radio button in the specified group.
int GetCheckedRadioButton(
int nIDFirstButton,
int nIDLastButton
);
Parameters
nIDFirstButton
Specifies the integer identifier of the first radio button in the group.nIDLastButton
Specifies the integer identifier of the last radio button in the group.
Return Value
ID of the checked radio button, or 0 if none is selected.
Requirements
Header: afxwin.h