... wSecond; WORD wMilliseconds; } SYSTEMTIME 16 Ví dụ • Mô tả: Hãy đóng gói HDC thành lớp CMyDC nhằm hỗ trợ người lập trình C Windows • Yêu c u: classCMyDC { Public: PAINTSTRUCT m_ps; HDC m_hdc; ... DrawRobot(HDC hdc) { HDC hRobot = ::CreateCompatibleDC(hdc); HGDIOBJ hOld = SelectObject( hRobot, robot[n].hBmp ); BitBlt(hdc,x,y,50,50,hRobot,0,0,SRCCOPY); SelectObject(hRobot,hOld); DeleteDC(hRobot); ... CreateSolidBrush: Creates a brush with a solid color • Ví dụ: hBr = CreateSolidBrush(255); hOldBr = SelectObject(hdc,hBr); Rectangle(hdc,0,0,400,200); … HFONT • BOOL ChooseFont(LPCHOOSEFONT lpcf ); • HFONT CreateFontIndirect(...