在Mac和Linux中没有EnsureVisible的wxPython TreeCtrl SelectItem

import wx

class MyFrame(wx.Frame):
    def __init__(self):
        wx.Frame.__init__(self, None, title="TreeCtrl Example")
        
        self.tree = wx.TreeCtrl(self)
        
        # 添加根节点
        root = self.tree.AddRoot("Root")
        
        # 添加子节点
        child1 = self.tree.AppendItem(root, "Child 1")
        child2 = self.tree.AppendItem(root, "Child 2")
        child3 = self.tree.AppendItem(root, "Child 3")
        
        # 选中子节点
        self.tree.SelectItem(child2)
        
        # 滚动到选中的子节点
        self.tree.ScrollTo(child2)
        
        self.Show()

app = wx.App()
frame = MyFrame()
app.MainLoop()