class StyledTextApp(wx.App):
    def OnInit(self):
        self.frame = StcFrame(None, title="Custom Lexer")
        self.frame.Show()
        return True

class StcFrame(wx.Frame):
    """Main application window"""
    def __init__(self, parent, *args, **kwargs):
        super(StcFrame, self).__init__(parent,
                                       *args,
                                       **kwargs)

        self.panel = TestPanel(self)


class TestPanel(wx.Panel):
    def __init__(self, parent):
        wx.Panel.__init__(self, parent, -1)

        self.Autosizer = wx.FlexGridSizer(rows=1, cols=2, hgap = -190, vgap = -1)
        self.Autosizer.SetFlexibleDirection(wx.VERTICAL)
        self.Autosizer.AddGrowableCol(1, 1) # 2 col
        self.SetSizer(self.Autosizer)
        self.Fit()

class STC(st.StyledTextCtrl):
    def __init__(self, *args, **kwargs):
        super(STC, self).__init__(*args, **kwargs)

        self.InitUI()
        
    def InitUI(self):
        self.Bind(wx.EVT_RIGHT_DOWN, self.OnRightDown)
        
    def OnRightDown(self, e):
        self.PopupMenu(MyPopupMenu(self), e.GetPosition())


class MyPopupMenu(wx.Menu):
    
    def __init__(self, parent):
        super(MyPopupMenu, self).__init__()
        
        self.parent = parent

        mmi = wx.MenuItem(self, wx.NewId(), 'Remove')
        self.AppendItem(mmi)
        self.Bind(wx.EVT_MENU, self.OnMinimize, mmi)

    def OnMinimize(self, e):
        StcFrame.panel.Autosizer.Remove(self) <------------------------------------------------------ this part is what I concern!

    def OnClose(self, e):


if __name__ == '__main__':
    app = StyledTextApp(False)
    app.MainLoop()