自绘CComboBox的问题~~

	if(lpDrawItemStruct->CtlType!=ODT_COMBOBOX)

		return;

	if(lpDrawItemStruct->itemID <0)

		return;

	CString strText;

	GetLBText(lpDrawItemStruct->itemID,strText);

	CRect ItemRC = lpDrawItemStruct->rcItem;

	CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC);

	BOOL select = lpDrawItemStruct->itemState && ODS_SELECTED;

	BOOL focus  = lpDrawItemStruct->itemState && ODS_FOCUS;

	COLORREF cnormal = GetSysColor(COLOR_WINDOW);

	COLORREF cselect = GetSysColor(COLOR_HIGHLIGHT);

	if(select)

	{

		pDC->SetBkColor(cselect);

		pDC->FillSolidRect(&ItemRC,cselect);

	}

	else

	{

		pDC->SetBkColor(cnormal);

		pDC->FillSolidRect(&ItemRC,cnormal);

	}

	if(focus)

		pDC->DrawFocusRect(&ItemRC);



	pDC->SetBkMode(TRANSPARENT);

	pDC->SetTextColor(RGB(255,0,0));

	pDC->TextOut(0,0,strText);