https://www.cnblogs.com/Tang-tangt/p/9459924.html
下面这段
void CExample23Dlg::InitAllCheckBoxStatus()
{
// 全部禁用
m_check1.EnableWindow(FALSE);
m_check2.EnableWindow(FALSE);
m_check3.EnableWindow(FALSE);
m_check4.EnableWindow(FALSE);
m_check5.EnableWindow(FALSE);
m_check6.EnableWindow(FALSE);
// 全部非选中
m_check1.SetCheck(0);
m_check2.SetCheck(0);
m_check3.SetCheck(0);
m_check4.SetCheck(0);
m_check5.SetCheck(0);
m_check6.SetCheck(0); }