TreeView.nodes.find为何找不到指定节点?????????????????????????????
用treeview模拟了一个类似windows资源管理器的功能,然而为了检索方面,添加了一个textbox和一个button,期望在textbox中输入指定文档名称后,点击搜索按钮,treeview显示出相应节点,button代码如下:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click If TextBox1.Text.Trim() = "" Then MsgBox("搜素条件?") Exit Sub End If Dim treeArray As TreeNode() = TreeView1.Nodes.Find(TextBox1.Text.Trim(), True) If treeArray.Length = 0 Then MsgBox("没有相应的文档") Exit Sub End If For i = 0 To treeArray.Length - 1 TreeView1.SelectedNode = treeArray(i) TreeView1.SelectedNode.BackColor = Color.Blue Next End Sub