摘要：
void CAssistDlg::OnBnClickedTest(){ HDC hdc = ::GetDC(NULL); HDC hdcMem = CreateCompatibleDC(hdc); HBITMAP hBmpMem = CreateCompatibleBitmap(hdc, 234, 234); HBITMAP hBmpOld = (HBITMAP)SelectObject(hdcMem, hBmpMem); BitBlt(hdcMem, 0, 0, 234, 234, hdc, 127, 518, SRCCOPY); { HDC... 阅读全文
