vc Static背景 颜色

处理   WM_CTLCOLOR   消息

HBRUSH   CAboutDlg::OnCtlColor(CDC*   pDC,   CWnd*   pWnd,   UINT   nCtlColor)  
{
        HBRUSH   hbr   =   CDialog::OnCtlColor(pDC,   pWnd,   nCtlColor);

        if   (nCtlColor==CTLCOLOR_STATIC)      
        {
                pDC-> SetBkMode(TRANSPARENT);
                return   m_backHbrush;
        }
        return   hbr;
}
m_backHbrush定义为成员变量,HBRUSH类型,在OnInitDialog中初始化:
m_backHbrush=CreateSolidBrush(RGB(0,255,255));

 

void CXXXDlg::OnBnClickedBtnChange(){ // get window handle of your static control CStatic* pStatic = (CStatic*)(GetDlgItem(IDC_STATIC_VARIETY)); // init random generator srand(unsigned(time(NULL))); // release HBRUSH object last time ::DeleteObject(m_hbrMyBK); // create new brush and text color m_hbrMyBK = CreateSolidBrush(RGB(rand() % 256, rand() % 256, rand() % 256)); m_crlMyText = RGB(rand() % 256, rand() % 256, rand() % 256); // force to repaint your static control pStatic->Invalidate(TRUE);}HBRUSH CXXXDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor){ HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor); // if your static control... if(pWnd->GetDlgCtrlID() == IDC_STATIC_VARIETY){ pDC->SetBkMode(TRANSPARENT); pDC->SetTextColor(m_crlMyText); hbr = m_hbrMyBK; } return hbr;}