vb.net - 从字符串列表创建树节点和子节点

Question

我有一个字符串列表，格式如下：

apple
apple/red
apple/green
apple/green/lime
banana
banana/yellow/dotted

其中每个字符串都是一个节点， / 之后的文本是该节点的子节点。我试图编写将这种格式的列表转换为树节点的代码，但我似乎无法理解这一点。您能否提供代码来做到这一点？

Answer 1

尝试这样的事情：

Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
    Dim nodeData As New List(Of String)(New String() { _
        "apple", _
        "apple/red", _
        "apple/green", _
        "apple/green/lime", _
        "banana", _
        "banana/yellow/dotted"})

    Dim TN As TreeNode
    For Each nodePath As String In nodeData
        TN = Nothing
        For Each node As String In nodePath.Split("/"c)
            If IsNothing(TN) Then
                If TreeView1.Nodes.ContainsKey(node) Then
                    TN = TreeView1.Nodes(node)
                Else
                    TN = TreeView1.Nodes.Add(node, node)
                End If
            Else
                If TN.Nodes.ContainsKey(node) Then
                    TN = TN.Nodes(node)
                Else
                    TN = TN.Nodes.Add(node, node)
                End If
            End If
        Next
    Next
End Sub

Answer 2

你使用什么编程语言？

编辑：

 'assuming you have a treeview on your form,
        appleNode = TreeView.appleNode.Nodes.Add("Apple")
        bananaNode = TreeView.bananaNode.Nodes.Add("Banana")

        appleNodeChild1(0) = appleNode.Nodes.Add("Red")  ' creates Apple/Red
        appleNodeChild1(1) = appleNode.Nodes.Add("Green") ' creates Apple/Green
        appleNodeChild2(0) = appleNodeChild1(1).Nodes.Add("Lime") 'creates Apple/Green/Lime

        bananaNodeChild1(0) = bananaNode.Nodes.Add("Yellow") ' creates Banana/Yellow
        bananaNodeChild2(0) = bananaNodeChild1(0).Nodes.Add("Dotted") 'creates Banana/Yellow/Dotted