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<p>在<code>wx.SizerItem</code>上,有一个<code>GetWindow</code>,它正好给了你。使用<code>IsWindow</code>检查是否有可用的“窗口”。所有底层对象都从<code>wx.Window</code>继承,所以这就是您想要的。在</p>
<p>下面是一个示例,<code>obj</code>是一个<code>wx.Frame</code>对象:</p>
<pre><code>>>> obj
<main.views.Main; proxy of <Swig Object of type 'wxFrame *' at 0x7fbaa1c70820> >
>>> obj.Sizer
<wx._core.BoxSizer; proxy of <Swig Object of type 'wxBoxSizer *' at 0x7fba9c9d48d0> >
>>> obj.Sizer.Children
wxSizerItemList: [<wx._core.SizerItem; proxy of <Swig Object of type 'wxSizerItem *' at 0x7fbaa1c21630> >, <wx._core.SizerItem; proxy of <Swig Object of type 'wxSizerItem *' at 0x7fbaa1c7faf0> >]
>>> obj.Sizer.Children[0]
<wx._core.SizerItem; proxy of <Swig Object of type 'wxSizerItem *' at 0x7fbaa1c21630> >
>>> obj.Sizer.Children[0].Window
<wx._windows.Panel; proxy of <Swig Object of type 'wxPanel *' at 0x7fba9c9d4d10> >
</code></pre>