WPF TreeView递归遍历相关方法

 1         /// <summary>
 2         /// 递归改变组织树选中状态。
 3         /// </summary>
 4         /// <param name="org"></param>
 5         private void RecursionOrgDataTreeStatus(OrgData org)
 6         {
 7             foreach (var item in org.Nodes)
 8             {
 9                 item.IsChecked = org.IsChecked;
10                 if (item.Nodes.Count > 0)
11                 {
12                     RecursionOrgDataTreeStatus(item);
13                 }
14             }
15         }
16 
17 
18          /// 获取选中的组织数据。
19         /// </summary>
20         private void GetCheckedOrgData()
21         {
22             foreach (OrgData orgData in orgDataCollection)
23             {
24                 if(orgData.IsChecked)receiverData.Add(orgData);
25                 if (orgData.HasChild)
26                 {
27                     GetCheckedOrgChildData(orgData);
28                 }
29             }
30         }
31         /// <summary>
32         /// 获取选中组织中子节点选中的数据。
33         /// </summary>
34         private void GetCheckedOrgChildData(OrgData org)
35         {
36             foreach (OrgData orgData in org.Nodes)
37             {
38                 if(orgData.IsChecked)receiverData.Add(orgData);
39                 if (orgData.HasChild) GetCheckedOrgChildData(orgData);
40             }
41         }
42 
43 
44         /// <summary>
45         ///递归取父级节点下选中的节点。
46         /// </summary>
47         /// <param name="org"></param>
48         private void GetCheckedOrgDataByOrgParent(OrgData org)
49         {
50             if (org == null) return;
51             if (org.Parent == null && org.IsChecked) receiverData.Add(org);
52             if (org.Parent != null)
53             {
54                 foreach (var node in org.Parent.Nodes)
55                 {
56                     if (node.IsChecked) receiverData.Add(node);
57                 }
58             }
59             GetCheckedOrgDataByOrgParent(org.Parent);
60         }
61 
62 
63 
64          /// <summary>
65         /// 递归删除节点的父级节点。
66         /// </summary>
67         /// <param name="org"></param>
68         private void DeletedOrgData(OrgData org)
69         {
70             if (org == null) return;
71             if (org.Parent == null) return;
72             receiverData.Remove(org.Parent);
73             DeletedOrgData(org.Parent);
74         }