[問題] 資源洩漏的問題

[think12381 ()]

請問一下各位

我程式執行到一半 他就會出現 a require resource was 的訊息

然後就會給我一個中斷

中斷點在這

_AFXWIN_INLINE CGdiObject* CDC::SelectObject(CGdiObject* pObject)
        { ASSERT(m_hDC != NULL); return SelectGdiObject(m_hDC,
pObject->GetSafeHandle()); }


出錯點如下 請問有沒有人遇過呢  謝謝喔

BOOL CTouch_sensorDlg::TileBitmap(CDC* pDC, CRect rc)
{
        CDC MemDC;

        int x = 0, y = 0;

        // If there is a bitmap loaded
        if (m_BmpPattern.m_hObject != NULL)
        {
                MemDC.CreateCompatibleDC(pDC);

         //出錯點 CBitmap* pOldBitmap = MemDC.SelectObject(&m_BmpPattern);

                // Tile the bitmap
                while (y < rc.Height())
                {
                        while(x < rc.Width())
                        {
                                pDC->BitBlt(x, y, m_nBmpWidth, m_nBmpHeight, &MemDC, 0, 0, SRCCOPY);
                                x += m_nBmpWidth;
                        }
                        x = 0;
                        y += m_nBmpHeight;
                }

                MemDC.SelectObject(pOldBitmap);

                //pOldBitmap->DeleteObject();

                MemDC.DeleteDC();

        DeleteObject(m_BmpPattern);


                return TRUE;
        }

        return FALSE; // Normal behaviour
} // End of TileBitmap

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