wxPython – SetSubMenu() function in wx.MenuItem

In this article we are going to learn about SetSubMenu() function associated with wx.MenuItem class of wxPython. SetSubMenu() is simply used to set the submenu of this menu item.

It takes only one argument that is wx.Menu you want to add submenu for item.

Syntax:

wx.MenuItem.SetSubMenu(self, menu)

Parameters:

Parameter	Input Type	Description
menu	wx.Menu	submenu for this item.

Code Example:

import wx


class Example(wx.Frame):

    def __init__(self, *args, **kwargs):
        super(Example, self).__init__(*args, **kwargs)

        self.InitUI()

    def InitUI(self):
        self.locale = wx.Locale(wx.LANGUAGE_ENGLISH)
        self.menubar = wx.MenuBar()
        self.fileMenu = wx.Menu()
        # CREATE MENU
        self.submenu = wx.Menu()
        self.submenu.Append(wx.ID_ANY, 'ONE')
        self.submenu.Append(wx.ID_ANY, 'TWO')
        self.submenu.Append(wx.ID_ANY, 'THREE')
        self.st = wx.StaticText(self, label ="", pos =(20, 20),
                                         style = wx.ALIGN_LEFT)
        self.item = wx.MenuItem(None, 1, '&Radio', kind = wx.ITEM_CHECK)

        # SET self.submenu AS SUBMENU FOR self.item MENUITEM
        self.item.SetSubMenu(self.submenu)
        self.fileMenu.Append(self.item)
        self.menubar.Append(self.fileMenu, '&File')
        self.SetMenuBar(self.menubar)
        self.SetSize((350, 250))
        self.SetTitle('Icons and shortcuts')
        self.Centre()

def main():
    app = wx.App()
    ex = Example(None)
    ex.Show()
    app.MainLoop()


if __name__ == '__main__':
    main()

Output: