HBRUSH CCOLORDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
    HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
   
    // TODO: Change any attributes of the DC here
    if(nCtlColor==CTLCOLOR_EDIT);
    pDC->SetTextColor(color);
    // TODO: Return a different brush if the default is not desired
    return hbr;
}

void CCOLORDlg::OnRadio1()
{
    // TODO: Add your control notification handler code here
    color=RGB(255,0,0);
    m_edit.SetFocus();
}

void CCOLORDlg::OnRadio2()
{
    // TODO: Add your control notification handler code here
    color=RGB(0,0,255);
    m_edit.SetFocus();
}

void CCOLORDlg::OnRadio3()
{
    // TODO: Add your control notification handler code here
    color=RGB(0,255,0);
    m_edit.SetFocus();
}

void CCOLORDlg::OnRadio4()
{
    // TODO: Add your control notification handler code here
    color=RGB(255,255,0);
    m_edit.SetFocus();
}
控件变白，点击下就出现错误。

分分都给你啦