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CheckDlgButton info  Overview  Group

The CheckDlgButton function changes the check state of a button control.

BOOL CheckDlgButton(

    HWND hDlg,

// handle to dialog box

    int nIDButton,

// button-control identifier

    UINT uCheck

// check state



Identifies the dialog box that contains the button.
Identifies the button to modify.
Specifies the check state of the button. This parameter can be one of the following values:




Sets the button state to checked.


Sets the button state to grayed, indicating an indeterminate state. Use this value only if the button has the BS_3STATE or BS_AUTO3STATE style.


Sets the button state to unchecked

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.


The CheckDlgButton function sends a BM_SETCHECK message to the specified button control in the specified dialog box.

See Also

CheckRadioButton, IsDlgButtonChecked

See also:

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