VC6 CListCtrl继承类例子

VC6 CListCtrl继承类例子 oid CListCtrlCl::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) { // TODO: 添加您的代码以绘制指定项 TCHAR lpBuffer[256]; LV_ITEM lvi; lvi.mask = LVIF_TEXT | LVIF_PARAM ; lvi.iItem = lpDrawItemStruct->itemID ; lvi.iSubItem = 0; lvi.pszText = lpBuffer ; lvi.cchTextMax = sizeof(lpBuffer); VERIFY(GetItem(&lvi)); LV_COLUMN lvc, lvcprev ; ::ZeroMemory(&lvc, sizeof(lvc)); ::ZeroMemory(&lvcprev, sizeof(lvcprev)); lvc.mask = LVCF_WIDTH | LVCF_FMT; lvcprev.mask = LVCF_WIDTH | LVCF_FMT; CDC* pDC; p DC = CDC::FromHandle(lpDrawItemStruct->hDC); CRect rtClient; GetClientRect(&rtClient); for ( int nCol=0; GetColumn(nCol, &lvc); nCol++) { if ( nCol > 0 ) { // Get Previous Column Width in order to move the next display item GetColumn(nCol-1, &lvcprev) ; lpDrawItemStruct->rcItem.left += lvcprev.cx ; lpDrawItemStruct->rcItem.right += lpDrawItemStruct->rcItem.left; } CRect rcItem; if (!GetSubItemRect(lpDrawItemStruct->itemID,nCol,LVIR_LABEL,rcItem)) continue; ::ZeroMemory(&lvi, sizeof(lvi)); lvi.iItem = lpDrawItemStruct->itemID; lvi.mask = LVIF_TEXT | LVIF_PARAM; lvi.iSubItem = nCol; lvi.pszText = lpBuffer; lvi.cchTextMax = sizeof(lpBuffer); VERIFY(GetItem(&lvi)); CRect rcTemp; rcTemp = rcItem; if (nCol==0) { rcTemp.left -=2; } if ( lpDrawItemStruct->itemState & ODS_SELECTED ) { pDC->FillSolidRect(&rcTemp, GetSysColor(COLOR_HIGHLIGHT)) ; pDC->SetTextColor(GetSysColor(COLOR_HIGHLIGHTTEXT)) ; } else { COLORREF color; color = GetBkColor(); pDC->FillSolidRect(rcTemp,color); if (FindColColor(nCol,color)) { pDC->FillSolidRect(rcTemp,color); } if (FindItemColor(nCol,lpDrawItemStruct->itemID,color)) { pDC->FillSolidRect(rcTemp,color); } //pDC->SetTextColor(m_color); } pDC->SelectObject(GetStockObject(DEFAULT_GUI_FONT)); UINT uFormat = DT_CENTER ; if (m_Header.m_Format[nCol]=='0') { uFormat = DT_LEFT; } else if (m_Header.m_Format[nCol]=='1') { uFormat = DT_CENTER; } else if (m_Header.m_Format[nCol]=='2') { uFormat = DT_RIGHT; } TEXTMETRIC metric; pDC->GetTextMetrics(&metric); int ofst; ofst = rcItem.Height() - metric.tmHeight; rcItem.OffsetRect(0,ofst/2); pDC->SetTextColor(m_color); COLORREF color; if (FindColTextColor(nCol,color)) { pDC->SetTextColor(color); } if (FindItemTextColor(nCol,lpDrawItemStruct->itemID,color)) { pDC->SetTextColor(color); } CFont nFont ,* nOldFont; nFont.CreateFont(m_fontHeight,m_fontWith,0,0,0,FALSE,FALSE,0,0,0,0,0,0,_TEXT("宋体"));//创建字体 nOldFont = pDC->SelectObject(&nFont); DrawText(lpDrawItemStruct->hDC, lpBuffer, strlen(lpBuffer), &rcItem, uFormat) ; pDC->SelectStockObject(SYSTEM_FONT) ; } }