hdc = BeginPaint(hWnd, &ps);
GetWindowRect(hWnd,&lp);
hdcMem=CreateCompatibleDC(hdc);
lp.bottom=lp.bottom-lp.top;
lp.top=0;
lp.right=lp.right-lp.left;
lp.left=0;
hBrush[0]=CreateSolidBrush(RGB(0,0,200));
hBrush[1]=CreateSolidBrush(RGB(255,255,255));
SelectObject(hdc,hBrush[1]);
SetMapMode(hdcMem,GetMapMode(hdc));
PatBlt(hdc,0,0,lp.right,lp.bottom,PATCOPY);
SelectObject(hdc,hBrush[0]);
PatBlt(hdcMem,0,0,lp.right,lp.bottom,PATCOPY);
BitBlt(hdc,0,0,100,100,hdcMem,0,0,SRCCOPY);
SelectObject(hdcMem,GetStockObject(BLACK_PEN));
for(i=0; i<1; i++) DeleteObject(hPen[i]);
SelectObject(hdcMem,GetStockObject(WHITE_BRUSH));
for(i=0; i<2; i++) DeleteObject(hBrush[i]);
DeleteDC(hdcMem);
EndPaint(hWnd, &ps);
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