CButton::SetCheck
Sets or resets the check state of a radio button or check box.
void SetCheck(
int nCheck
);
nCheck
Specifies the check state. This parameter can be one of the following:Value
Meaning
BST_UNCHECKED
Set the button state to unchecked.
BST_CHECKED
Set the button state to checked.
BST_INDETERMINATE
Set the button state to indeterminate. This value can be used only if the button has the BS_3STATE or BS_AUTO3STATE style.
This member function has no effect on a pushbutton.
CButton myA3Button;
// Create an auto 3-state button.
myA3Button.Create(_T("My button"), WS_CHILD|WS_VISIBLE|BS_AUTO3STATE,
CRect(10,10,100,30), pParentWnd, 1);
// Set the check state to the next state
// (i.e. BST_UNCHECKED changes to BST_CHECKED
// BST_CHECKED changes to BST_INDETERMINATE
// BST_INDETERMINATE changes to BST_UNCHECKED).
myA3Button.SetCheck(((myA3Button.GetCheck() + 1 ) % 3));
Header: afxwin.h