dialog中在一个picture 控件中画图

dialog中在一个picture 控件中画图 

 

CDC *pDC = new CDC();       // 需要特别注意new 一下，一开始就由于没有new 一直出错
 HDC hDC = ::GetDC(GetDlgItem(IDC_STATIC_PIC1)->m_hWnd);
//
  pDC->Attach(hDC);

 CBitmap cbmp;
    cbmp.LoadBitmap(IDB_BITMAP1);
 
 BITMAP bitmap;
    cbmp.GetBitmap(&bitmap);
 CDC dcMemory;
         dcMemory.CreateCompatibleDC(pDC);
    CBitmap *hOldBitmap = dcMemory.SelectObject(&cbmp);
          pDC->BitBlt(50,
                      50,
                      120,
                      80,
                      &dcMemory,
                      0,
                      0,
                      SRCCOPY);