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  • List Control 控件技巧总汇

    List Control 控件技巧总汇

    以下未经说明,listctrl 默认view 风格为report

    -------------------------------------------------------------------------------

    1. CListCtrl 风格

           LVS_ICON: 为每个item显示大图标

           LVS_SMALLICON: 为每个item显示小图标

           LVS_LIST: 显示一列带有小图标的item

           LVS_REPORT: 显示item详细资料

    直观的理解:windows资源管理器,"查看"标签下的"大图标,小图标,列表,详细资料

    --------------------------------------------------------------------------------

    2. 设置listctrl 风格及扩展风格

           LONG lStyle;

           lStyle = GetWindowLong(m_list.m_hWnd, GWL_STYLE);//获取当前窗口style

           lStyle &= ~LVS_TYPEMASK; //清除显示方式位

           lStyle |= LVS_REPORT; //设置style

           SetWindowLong(m_list.m_hWnd, GWL_STYLE, lStyle);//设置style

           DWORD dwStyle = m_list.GetExtendedStyle();

           dwStyle |= LVS_EX_FULLROWSELECT;//选中某行使整行高亮(只适用与report风格的listctrl)

    dwStyle |= LVS_EX_GRIDLINES;//网格线(只适用与report风格的listctrl)

    dwStyle |= LVS_EX_CHECKBOXES;//item前生成checkbox控件

    m_list.SetExtendedStyle(dwStyle); //设置扩展风格

    注:listview的style请查阅msdn      

    http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wceshellui5/html/wce50lrflistviewstyles.asp

    --------------------------------------------------------------------------------

    3. 插入数据

           m_list.InsertColumn( 0, "ID", LVCFMT_LEFT, 40 );//插入列

           m_list.InsertColumn( 1, "NAME", LVCFMT_LEFT, 50 );

           int nRow = m_list.InsertItem(0, "11");//插入行

           m_list.SetItemText(nRow, 1, "jacky");//设置数据

    --------------------------------------------------------------------------------

    4. 一直选中item

    选中style中的Show selection always,或者在上面第2点中设置LVS_SHOWSELALWAYS

    --------------------------------------------------------------------------------

    5. 选中和取消选中一行

    int nIndex = 0;

    //选中

    m_list.SetItemState(nIndex, LVIS_SELECTED|LVIS_FOCUSED, LVIS_SELECTED|LVIS_FOCUSED);

    //取消选中

         m_list.SetItemState(nIndex, 0, LVIS_SELECTED|LVIS_FOCUSED);

    --------------------------------------------------------------------------------

    6. 得到listctrl中所有行的checkbox的状态

    m_list.SetExtendedStyle(LVS_EX_CHECKBOXES);

    CString str;

    for(int i=0; i<m_list.GetItemCount(); i++)

    {

    if( m_list.GetItemState(i, LVIS_SELECTED) == LVIS_SELECTED || m_list.GetCheck(i))

    {

    str.Format(_T("第%d行的checkbox为选中状态"), i);

    AfxMessageBox(str);

    }

    }

    --------------------------------------------------------------------------------

    7. 得到listctrl中所有选中行的序号

    方法一:

           CString str;

           for(int i=0; i&lt;m_list.GetItemCount(); i++)

           {

               if( m_list.GetItemState(i, LVIS_SELECTED) == LVIS_SELECTED )

               {

                     str.Format(_T("选中了第%d行"), i);

                     AfxMessageBox(str);

               }

           }

    方法二:

           POSITION pos = m_list.GetFirstSelectedItemPosition();

           if (pos == NULL)

               TRACE0("No items were selected!\n");

           Else

           {

               while (pos)

               {

                     int nItem = m_list.GetNextSelectedItem(pos);

                     TRACE1("Item %d was selected!\n", nItem);

                     // you could do your own processing on nItem here

               }

           }

    --------------------------------------------------------------------------------

    8. 得到item的信息

           TCHAR szBuf[1024];

           LVITEM lvi;

           lvi.iItem = nItemIndex;

           lvi.iSubItem = 0;

           lvi.mask = LVIF_TEXT;

           lvi.pszText = szBuf;

           lvi.cchTextMax = 1024;

           m_list.GetItem(&lvi);

    关于得到设置item的状态,还可以参考msdn文章

           Q173242: Use Masks to Set/Get Item States in ClistCtrl

    http://support.microsoft.com/kb/173242/en-us

    --------------------------------------------------------------------------------

    9. 得到listctrl的所有列的header字符串内容

           LVCOLUMN lvcol;

           char   str[256];

           int   nColNum;

           CString   strColumnName[4];//假如有4列

           nColNum = 0;

           lvcol.mask = LVCF_TEXT;

           lvcol.pszText = str;

           lvcol.cchTextMax = 256;

           while(m_list.GetColumn(nColNum, &lvcol))

           {

               strColumnName[nColNum] = lvcol.pszText;

               nColNum++;

           }

    --------------------------------------------------------------------------------

    10. 使listctrl中一项可见,即滚动滚动条

    m_list.EnsureVisible(i, FALSE);

    --------------------------------------------------------------------------------

    11. 得到listctrl列数

    int nHeadNum = m_list.GetHeaderCtrl()->GetItemCount();

    --------------------------------------------------------------------------------

    12. 删除所有列

    方法一:

             while ( m_list.DeleteColumn (0))

    因为你删除了第一列后,后面的列会依次向上移动。

    方法二:

           int nColumns = 4;

           for (int i=nColumns-1; i&gt;=0; i--)

               m_list.DeleteColumn (i);

    --------------------------------------------------------------------------------

    13. 得到单击的listctrl的行列号

    添加listctrl控件的NM_CLICK消息相应函数

           void CTest6Dlg::OnClickList1(NMHDR* pNMHDR, LRESULT* pResult)

           {

               // 方法一:

               /*

               DWORD dwPos = GetMessagePos();

               CPoint point( LOWORD(dwPos), HIWORD(dwPos) );

               m_list.ScreenToClient(&point);

               LVHITTESTINFO lvinfo;

               lvinfo.pt = point;

               lvinfo.flags = LVHT_ABOVE;

               int nItem = m_list.SubItemHitTest(&lvinfo);

               if(nItem != -1)

               {

                     CString strtemp;

                     strtemp.Format("单击的是第%d行第%d列", lvinfo.iItem, lvinfo.iSubItem);

                     AfxMessageBox(strtemp);

               }

               */

             // 方法二:

               /*

               NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;

               if(pNMListView-&gt;iItem != -1)

               {

                     CString strtemp;

                     strtemp.Format("单击的是第%d行第%d列",

                                     pNMListView-&gt;iItem, pNMListView-&gt;iSubItem);

                     AfxMessageBox(strtemp);

               }

               */

               *pResult = 0;

           }

    --------------------------------------------------------------------------------

    14. 判断是否点击在listctrl的checkbox上

    添加listctrl控件的NM_CLICK消息相应函数

           void CTest6Dlg::OnClickList1(NMHDR* pNMHDR, LRESULT* pResult)      

    {          

    DWORD dwPos = GetMessagePos();

               CPoint point( LOWORD(dwPos), HIWORD(dwPos) );  

               m_list.ScreenToClient(&point);

               LVHITTESTINFO lvinfo;

               lvinfo.pt = point;

               lvinfo.flags = LVHT_ABOVE;

               UINT nFlag;

               int nItem = m_list.HitTest(point, &nFlag);

               //判断是否点在checkbox上

               if(nFlag == LVHT_ONITEMSTATEICON)

               {

                     AfxMessageBox("点在listctrl的checkbox上");

               }

               *pResult = 0;

           }

    --------------------------------------------------------------------------------

    15. 右键点击listctrl的item弹出菜单

    添加listctrl控件的NM_RCLICK消息相应函数

           void CTest6Dlg::OnRclickList1(NMHDR* pNMHDR, LRESULT* pResult)

           {

               NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;

               if(pNMListView-&gt;iItem != -1)

               {

                     DWORD dwPos = GetMessagePos();

                     CPoint point( LOWORD(dwPos), HIWORD(dwPos) );

                     CMenu menu;

                     VERIFY( menu.LoadMenu( IDR_MENU1 ) );

                     CMenu* popup = menu.GetSubMenu(0);

                     ASSERT( popup != NULL );

                   popup-&gt;TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x, point.y, this );

               }

               *pResult = 0;

       }

    16. item切换焦点时(包括用键盘和鼠标切换item时),状态的一些变化顺序

    添加listctrl控件的LVN_ITEMCHANGED消息相应函数

           void CTest6Dlg::OnItemchangedList1(NMHDR* pNMHDR, LRESULT* pResult)

           {

               NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;

               // TODO: Add your control notification handler code here

               CString sTemp;

               if((pNMListView-&gt;uOldState & LVIS_FOCUSED) == LVIS_FOCUSED && (pNMListView-&gt;uNewState & LVIS_FOCUSED) == 0)

               {

                     sTemp.Format("%d losted focus",pNMListView-&gt;iItem);

               }

               else if((pNMListView-&gt;uOldState & LVIS_FOCUSED) == 0 &&

                   (pNMListView-&gt;uNewState & LVIS_FOCUSED) == LVIS_FOCUSED)

               {

                     sTemp.Format("%d got focus",pNMListView-&gt;iItem);

               }

               if((pNMListView-&gt;uOldState & LVIS_SELECTED) == LVIS_SELECTED &&

                 (pNMListView-&gt;uNewState & LVIS_SELECTED) == 0)

               {

                     sTemp.Format("%d losted selected",pNMListView-&gt;iItem);

               }

    else if((pNMListView-&gt;uOldState & LVIS_SELECTED) == 0 && (pNMListView-&gt;uNewState & LVIS_SELECTED) == LVIS_SELECTED)

               {

    sTemp.Format("%d got selected",pNMListView-&gt;iItem);

    }

    *pResult = 0;

    本文出自 51CTO.COM技术博客 浏览原文

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  • 原文地址:https://www.cnblogs.com/ganmk/p/1780565.html
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