MFC TreeCtrl

添加子节点

 1 switch(nCurDate)
 2     {
 3     case 1:
 4         m_showDetails.DeleteAllItems( );
 5         hRoot = m_showDetails.InsertItem( "A区", TVI_ROOT);
 6         hfirstChild = m_showDetails.InsertItem("宿舍楼",hRoot);
 7 
 8         hsecondChild = m_showDetails.InsertItem("1楼",hfirstChild);
 9         hsecondChild = m_showDetails.InsertItem("2楼",hfirstChild);
10         hsecondChild = m_showDetails.InsertItem("3楼",hfirstChild);
11 
12         hfirstChild = m_showDetails.InsertItem("教学楼",hRoot,hfirstChild);
13 
14         hsecondChild = m_showDetails.InsertItem("阶梯教室",hfirstChild);
15         hsecondChild = m_showDetails.InsertItem("实验室",hfirstChild);
16         ShowAllNode(hRoot,m_showDetails);
17         break;
18     case 2:
19         m_showDetails.DeleteAllItems( );
20         hRoot = m_showDetails.InsertItem( "B区", TVI_ROOT);
21         hfirstChild = m_showDetails.InsertItem("科技楼",hRoot);
22 
23         hsecondChild = m_showDetails.InsertItem("1楼",hfirstChild);
24         hsecondChild = m_showDetails.InsertItem("2楼",hfirstChild);
25         hsecondChild = m_showDetails.InsertItem("3楼",hfirstChild);
26 
27         hfirstChild = m_showDetails.InsertItem("信息楼",hRoot,hfirstChild);
28 
29         hsecondChild = m_showDetails.InsertItem("1号机房",hfirstChild);
30         hsecondChild = m_showDetails.InsertItem("2号机房",hfirstChild);
31         hsecondChild = m_showDetails.InsertItem("3号机房",hfirstChild);
32 
33         ShowAllNode(hRoot,m_showDetails);
34         break;
35     }

递归展示所有节点

 1 void CdemoDlg::ShowAllNode(HTREEITEM hItem, CTreeCtrl& m_treeShow)
 2 {
 3     HTREEITEM hChild = m_treeShow.GetChildItem(hItem); 
 4     while(hChild)
 5     {
 6         m_treeShow.Expand(hItem,TVE_EXPAND); 
 7         ShowAllNode(hChild,m_treeShow); 
 8         hChild = m_treeShow.GetNextSiblingItem(hChild);
 9     }
10 }