CWnd::CheckRadioButton
Selects (adds a check mark to) a given radio button in a group and clears (removes a check mark from) all other radio buttons in the group.
void CheckRadioButton(
int nIDFirstButton,
int nIDLastButton,
int nIDCheckButton
);
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.nIDCheckButton
Specifies the integer identifier of the radio button to be checked.
Remarks
The CheckRadioButton function sends a BM_SETCHECK message to the specified radio button.
Example
// Of the 4 radio buttons, selects radio button 3.
void CMyDlg::OnMarkRadio()
{
CheckRadioButton(IDC_RADIO1, IDC_RADIO4, IDC_RADIO3);
}
Requirements
Header: afxwin.h