介绍 如果您查看一下
快照并运行.exe文件,您会发现这里没有我需要说明的内容。我需要这个具有项目编辑、插入、删除和移动功能的控件,于是我问,“为什么不与人们共享它呢?” 使用的代码 它很容易使用,只要添加一个基于类的变量,就可以了。您可以像使用普通列表框一样使用它。隐藏,收缩,复制Code
// // powered by NetControl.ro // // ............. void CListBoxXP::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) { CString szBuf=""; COLORREF col; if(((int)lpDrawItemStruct->itemID==edited)&&(IsWindow(hHelper))) return; { GetText(lpDrawItemStruct->itemID,szBuf); SetTextColor(lpDrawItemStruct->hDC,RGB(0,0,0)); RECT r; memcpy((void*)&r,&lpDrawItemStruct->rcItem,sizeof(RECT)); if(itm==(int)lpDrawItemStruct->itemID) { HBRUSH br; br=::CreateSolidBrush(LightenColor(GetSysColor(COLOR_HIGHLIGHT),0.9)); ::FillRect(lpDrawItemStruct->hDC,&lpDrawItemStruct->rcItem,br); ::DeleteObject(br); } else { FillRect(lpDrawItemStruct->hDC,&lpDrawItemStruct->rcItem,(HBRUSH)GetStockObject(WHITE_BRUSH)); }r.left+=5; r.top+=2; col=RGB(255,255,255); if(lpDrawItemStruct->itemState & ODS_SELECTED) { col=RGB(220,220,220); HBRUSH br; br=::CreateSolidBrush(LightenColor(GetSysColor(COLOR_HIGHLIGHT),0.75)); ::FillRect(lpDrawItemStruct->hDC,&lpDrawItemStruct->rcItem,br); ::DeleteObject(br); } if(lpDrawItemStruct->itemState & ODS_FOCUS) { HBRUSH br; br = ::CreateSolidBrush(LightenColor(GetSysColor(COLOR_HIGHLIGHT),0.5)); ::FrameRect(lpDrawItemStruct->hDC,&lpDrawItemStruct->rcItem,br); ::DeleteObject(br); } SetBkMode(lpDrawItemStruct->hDC,TRANSPARENT);r.left-=3; r.top-=2; if(CountLines(szBuf) > 1) DrawText(lpDrawItemStruct->hDC,szBuf,strlen(szBuf),&r,DT_LEFT|DT_TOP|DT_WORDBREAK); else DrawText(lpDrawItemStruct->hDC,szBuf,strlen(szBuf),&r,DT_LEFT|DT_VCENTER|DT_SINGLELINE); } } void CListBoxXP::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct) { HDC hDC; TEXTMETRIC tm; char szBuf[512]=""; ::SendMessage(this->m_hWnd, LB_GETTEXT,(WPARAM)lpMeasureItemStruct->itemID,(LPARAM)szBuf);hDC = ::GetDC(this->m_hWnd); CRect r; GetClientRect(r); ::GetTextMetrics(hDC, &tm); lpMeasureItemStruct->itemHeight=(tm.tmHeight)*CountLines(szBuf); ::ReleaseDC(this->m_hWnd, hDC); } // ...
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