Dim trv1 As WinForm.TreeView = e.Form.Controls("TreeView1") Dim trv2 As WinForm.TreeView = e.Form.Controls("TreeView2") trv1.BuildTree("授权","分组|权限") For Each u As UserInfo In Users If u.Type = UserTypeEnum.User Then If trv2.Nodes.Contains(u.Group) = False Then trv2.Nodes.Add(u.Group) End If trv2.Nodes(u.Group).Nodes.Add(u.Name) End If Next Trv1.Nodes(0).Expand() trv2.ExpandAll()