wxPython adding/removing 控件在运行时到 ScrolledWindow

wxPython adding/removing controls during runtime to ScrolledWindow

我正在尝试 add/remove 多个项目到 ScrolledWindow in wxPython
目前我有以下控制架构:

我想将 resultItem_panel 的多个实例添加到 result_scrolledWindow
当我这样做时,我首先必须通过用光标拖动它来手动缩放 window 来更新它,并 result_scrolledWindow 来显示滚动条。
我目前的代码:

def __addPublication(self, pub: Publication) -> None:
    resultItem_panel = ResultItemPanel(self, pub)

    # Add to parent sizer:
    self.result_sizer.Add(resultItem_panel, 0, wx.ALL, 5)
    self.Layout()
    self.Parent.Fit()

    # Store it so we later can Destroy() it again:
    self.resultItemPanels.append(resultItem_panel)

def clearPublications(self) -> None:
    for pub in self.resultItemPanels:
        pub.Destroy()
    self.resultItemPanels = []

    self.Layout()
    self.Parent.Fit()

我做错了什么?

正在替换:

self.Layout()
self.Parent.Fit()

与:

self.result_sizer.Layout()
self.PostSizeEvent()

对我有用。
参考:Phoenix (wxPython) #1221