CheckRadioButton

The CheckRadioButton function adds a check mark to (checks) a specified radio button in a group and removes a check mark from (clears) all other radio buttons in the group.

BOOL CheckRadioButton(

HWND hDlg,	// handle to dialog box
int nIDFirstButton,	// identifier of first radio button in group
int nIDLastButton,	// identifier of last radio button in group
int nIDCheckButton	// identifier of radio button to select
);

Parameters

hDlg

Identifies the dialog box that contains the radio button.

nIDFirstButton

Specifies the identifier of the first radio button in the group.

nIDLastButton

Specifies the identifier of the last radio button in the group.

nIDCheckButton

Specifies the identifier of the radio button to select.

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

Remarks

The CheckRadioButton function sends a BM_SETCHECK message to each of the radio buttons in the indicated group.

See Also

BM_SETCHECK, CheckDlgButton, IsDlgButtonChecked

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