Dim tr As WinForm.TreeView = e.Form.Controls("TreeView1")
Dim nd As WinForm.TreeNode = tr.SelectedNode
If nd Is Nothing Then
Return
End If
Dim id As Integer = nd.index
If nd.ParentNode Is Nothing Then
nd = tr.Nodes.Insert("新节点",id)
Else
nd = nd.ParentNode.Nodes.Insert("新节点",id)
End If
tr.SelectedNode = nd
tr.Select
tr.BeginEdi