CListCtrl的使用完全指南
- 格式:wps
- 大小:54.50 KB
- 文档页数:9
1. ListCtrl 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
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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 ); int nRow = m_list.InsertItem(0, “11”);//插入行
m_list.SetItemText(nRow, 1, “jacky”);//设置数据
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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
{
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);
}
}
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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
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
}
}
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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);
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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列
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列", 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列",
pNMListView->iItem, pNMListView->iSubItem);
AfxMessageBox(strtemp);
} */
*pResult = 0;
}
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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) );