void SetCheck( int nCheck );
nCheck
Specifies the check state. This parameter can be one of the following values:
| Value | Meaning |
| 0 | Set the button state to unchecked. |
| 1 | Set the button state to checked. |
| 2 | Set the button state to indeterminate. This value can only be used if the button has the BS_3STATE or BS_AUTO3STATE style. |
Sets or resets the check state of a radio button or check box. This member function has no effect on a push button.
CButton::GetCheck, CButton::GetState, CButton::SetState, BM_SETCHECK