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MFC ListControl用法

2013年09月26日 ⁄ 综合 ⁄ 共 8597字 ⁄ 字号 评论关闭

以下未经说明,listctrl
默认view
风格为report

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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
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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
style
请查阅msdn      

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


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3.
插入数据
       m_list.InsertColumn( 0, "ID", LVCFMT_LEFT, 40 );//
插入列
       m_list.InsertColumn( 1, "NAME", LVCFMT_LEFT, 50 );

      //新插入的在上面
       int nRow = m_list.InsertItem(0, "11");//
插入行
       m_list.SetItemText(nRow, 1, "jacky");//
设置其它列数据

    //新插入的数据在下面

   int nIndex = m_list.GetItemCount();
    LV_ITEM lvItem;
    lvItem.mask = LVIF_TEXT ;
    lvItem.iItem = nIndex;     //行数
    lvItem.iSubItem = 0;
    lvItem.pszText = (char*)(LPCTSTR)strCount;   //第一列
    //在最后一行插入记录值.
         m_list.InsertItem(&lvItem);
    //插入其它列
    m_list.SetItemText(nIndex,1,strLat);


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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

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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);

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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("
%d
行的checkbox
为选中状态"), i);

AfxMessageBox(str);

}

}

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7.
得到listctrl
中所有选中行的序号
方法一:
       CString str;

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

       {

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

           {

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

           }

       }

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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


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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

       nColNum = 0;

       lvcol.mask = LVCF_TEXT;

       lvcol.pszText = str;

       lvcol.cchTextMax = 256;

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

       {

           strColumnName[nColNum] = lvcol.pszText;

           nColNum++;

       }

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10.
使listctrl
中一项可见,即滚动滚动条
m_list.EnsureVisible(i, FALSE);

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11.
得到listctrl
列数
int nHeadNum = m_list.GetHeaderCtrl()->GetItemCount();

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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>=0; i--)

           m_list.DeleteColumn (i);

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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
", lvinfo.iItem, lvinfo.iSubItem);

                 AfxMessageBox(strtemp);

           }

           */

         //
方法二:

           /*

           NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;

           if(pNMListView->iItem != -1)

           {

                 CString strtemp;

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

                                 pNMListView->iItem, pNMListView->iSubItem);

                 AfxMessageBox(strtemp);

           }

           */

           *pResult = 0;

       }

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14.
判断是否点击在listctrl
checkbox

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

           if(nFlag == LVHT_ONITEMSTATEICON)

           {

                 AfxMessageBox("
点在listctrl
checkbox
");

           }

           *pResult = 0;

       }

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15.
右键点击listctrl
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->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->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
)
,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->uOldState & LVIS_FOCUSED) == LVIS_FOCUSED
&& (pNMListView->uNewState & LVIS_FOCUSED) == 0)


           {

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

           }

           else if((pNMListView->uOldState & LVIS_FOCUSED) == 0 &&

               (pNMListView->uNewState & LVIS_FOCUSED) == LVIS_FOCUSED)

           {

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

           }

           if((pNMListView->uOldState & LVIS_SELECTED) == LVIS_SELECTED &&

             (pNMListView->uNewState & LVIS_SELECTED) == 0)

           {

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

           }

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


           {

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

}

*pResult = 0;

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17.
得到另一个进程里的listctrl
控件的item
内容
http://www.codeproject.com/threads/int64_memsteal.asp

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18.
选中listview
中的item

Q131284: How To Select a Listview Item Programmatically


http://support.microsoft.com/kb/131284/en-us

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19.
如何在CListView
中使用CListCtrl
的派生类

http://www.codeguru.com/cpp/controls/listview/introduction/article.php/c919/

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20. listctrl
subitem
添加图标
       m_list.SetExtendedStyle(LVS_EX_SUBITEMIMAGES);

       m_list.SetItem(..); //
具体参数请参考msdn

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