程序代码：

Private Sub Form_Load()
Dim i As Integer

    Set node1 = TreeView1.Nodes.Add(, , "school", "学校")
    Set node2 = TreeView1.Nodes.Add(node1.Index, tvwChild, "section", "部门")
    Set node3 = TreeView1.Nodes.Add(node2.Index, tvwChild, "department", "院系")
    Set node4 = TreeView1.Nodes.Add(node2.Index, tvwChild, "excute", "行政")
    Set node5 = TreeView1.Nodes.Add(node2.Index, tvwChild, "logistics", "后勤")
    
    For i = 1 To 10
        Set node5 = TreeView1.Nodes.Add(node3.Index, tvwChild, "AAA" & i, "电子系" & i)
    Next i

End Sub

程序代码：

Option Explicit

Private Sub Command1_Click()

Dim nodx As Node
Dim n As Long

'父节点，这里是演示，可以以参数形式传入
Set nodx = TreeView1.Nodes.Item("d89")

      '获取第一个子节点的文本，并将 N 设置为它的索引值。
      n = nodx.Child.Index

      '若 N 不是子节点的最后相邻节点的索引
      While n <> nodx.Child.LastSibling.Index

         TreeView1.Nodes.Item(n).BackColor = vbGreen        '设置背景颜色
         '重置 N 为下一个相邻节点的索引。
         n = TreeView1.Nodes(n).Next.Index
      Wend
         TreeView1.Nodes.Item(n).BackColor = vbGreen        '补上最后一个的背景颜色

End Sub

Private Sub Form_Load()
   TreeView1.BorderStyle = 1  '确保边界是可视的。
   Dim nodx As Node
   Set nodx = TreeView1.Nodes.Add(, , "d", "Dates")
   Set nodx = TreeView1.Nodes.Add("d", tvwChild, "d89", "1989")
   Set nodx = TreeView1.Nodes.Add("d", tvwChild, "d90", "1990")

   '创建 1989 节点的子节点。
   Set nodx = TreeView1.Nodes.Add("d89", tvwChild, , "John")
   Set nodx = TreeView1.Nodes.Add("d89", tvwChild, , "Brent")
   Set nodx = TreeView1.Nodes.Add("d89", tvwChild, , "Eric")
   Set nodx = TreeView1.Nodes.Add("d89", tvwChild, , "Ian")
   nodx.EnsureVisible '显示所有节点。

   '创建 1990 节点的子节点。
   Set nodx = TreeView1.Nodes.Add("d90", tvwChild, , "Randy")
   Set nodx = TreeView1.Nodes.Add("d90", tvwChild, , "Ron")
   nodx.EnsureVisible '显示所有节点。
End Sub

程序代码：

For i = 0 To UBound(Selected)
        If Selected(i) <> "" Then
            For j = 1 To ProjManagerTreeView.Nodes.Count
                If (InStr(Selected(i), "True") <> 0) And (ProjManagerTreeView.Nodes(j).Text = Mid(Selected(i), 1, InStr(Selected(i), ",") - 1)) Then
                    ProjManagerTreeView.Nodes(j).BackColor = vbRed
                End If
            Next j
        End If
    Next i