MFC之樹控件，mfc控件
樹控件對應的類：
CTreeControl
添加樹節點：
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1 HTREEITEM hRootNode = m_tvwTree.InsertItem(_T("人"));
2 HTREEITEM hNode = m_tvwTree.InsertItem(_T("老人"), hRootNode, TVI_LAST);
3 HTREEITEM hChildNode = m_tvwTree.InsertItem(_T("男人"), hNode, TVI_LAST);
View Code
NM_CLICK消息處理函數：
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1 void CTestTreecontrolDlg::OnNMClickTree1(NMHDR *pNMHDR, LRESULT *pResult)
2 {
3 CPoint PT;
4 ::GetCursorPos(&PT);
5 ::ScreenToClient(pNMHDR->hwndFrom, &PT);
6
7 UINT uFlags;
8 HTREEITEM hSelectedItem = m_tvwTree.HitTest(PT, &uFlags);
9 if(NULL == hSelectedItem)
10 {
11 return;
12 }
13
14 if(uFlags & TVHT_ONITEM)
15 {
16 CString str = m_tvwTree.GetItemText(hSelectedItem);
17 AfxMessageBox(str);
18 }
19
20 *pResult = 0;
21 }
View Code
TVN_SELCHANGED消息處理函數：
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1 void CTestTreecontrolDlg::OnTvnSelchangedTree1(NMHDR *pNMHDR, LRESULT *pResult)
2 {
3 LPNMTREEVIEW pNMTreeView = reinterpret_cast<LPNMTREEVIEW>(pNMHDR);
4
5 HTREEITEM hSelectedItem = m_tvwTree.GetSelectedItem();
6 if(NULL == hSelectedItem)
7 {
8 return;
9 }
10
11 CString str = m_tvwTree.GetItemText(hSelectedItem);
12 if(str.IsEmpty())
13 {
14 return;
15 }
16
17 AfxMessageBox(str);
18
19 *pResult = 0;
20 }
View Code
