vb.net treeview问题

Question

treeview的root可以设定enable=false?

Answer 1

Private Sub treeView1_BeforeCheck(sender As Object, e As TreeViewCancelEventArgs)
 If e.Action <> TreeViewAction.Unknown Then
 '如果是disable的结点.

  If e.Node.Index = 1 Then
   e.Cancel = True
  End If
 End If

End Sub

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Answer 2

Private Sub treeView1_BeforeCheck(sender As Object, e As TreeViewCancelEventArgs)
 If e.Action <> TreeViewAction.Unknown Then
 '如果是disable的结点.

  If e.Node.Index = 1 Then
   e.Cancel = True
  End If
 End If

End Sub

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http://feiyun0112.cnblogs.com/

 If e.Action <> TreeViewAction.Unknown Then
 '如果是disable的结点.

  If label1.text="ABC" Then
   '  TreeView1.Nodes(0)设置为disable=false,代码该怎样写？
  End If
 End If

Answer 3

你好：

就我所知无法这样设置，但你可以模仿这种效果，请查看http://social.msdn.microsoft.com/forums/en-US/winforms/thread/37f3a9e0-be7e-441d-a2f9-76a4b450d6d2

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