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Graphics gs(dc.m_hDC);
SolidBrush sBrush(Color(255, 0, 1));
Pen curvePen(&sBrush, 3.0);
gs.DrawRectangle(&curvePen, Rect(0, 0, 100, 200));
gs.ReleaseHDC(dc.m_hDC);
void CUPPCGraph::OnPaint()
{
CPaintDC dc(this);
//CRect rect;
//CDC memDC;
//CBitmap memBmp;
//CBitmap* pOldBmp;
//this->GetClientRect(&rect);
//memBmp.CreateCompatibleBitmap(&dc, rect.Width(), rect.Height());
//memDC.CreateCompatibleDC(&dc);
//pOldBmp = memDC.SelectObject(&memBmp);
//memDC.FillSolidRect(rect, m_bkColor);
// DrawGrid(&memDC);
// DrawDataCurve(&memDC);
// dc.BitBlt(0, 0, rect.Width(), rect.Height(), &memDC, 0, 0, SRCCOPY);
//memDC.SelectObject(pOldBmp);
//memBmp.DeleteObject();
//memDC.DeleteDC();
Graphics gs(dc.m_hDC);
Pen curvePen(RGB(255, 0, 1), 1.0);
gs.DrawRectangle(&curvePen, Rect(0, 0, 100, 200));
gs.ReleaseHDC(dc.m_hDC);
}