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wxPython – IsSubMenu() function in wx.MenuItem

  • Last Updated : 09 Jun, 2020

In this article we are going to learn about IsSubMenu() function associated with wx.MenuItem class of wxPython. IsSubMenu() function simply returns True if the item is a submenu and False if the item is not a submenu.
No parameters are required by IsSubMenu() function.

Syntax:

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wx.MenuItem.IsSubMenu(self)

Parameters:



No parameters are required by IsSubMenu() function.

Return Type:

bool

Code Example:




import wx
  
  
class Example(wx.Frame):
  
    def __init__(self, *args, **kwargs):
        super(Example, self).__init__(*args, **kwargs)
  
        self.InitUI()
  
    def InitUI(self):
  
        menubar = wx.MenuBar()
  
        fileMenu = wx.Menu()
  
        sm = wx.Menu()
        sm.Append(wx.ID_ANY, 'Submenu item 1')
        sm.Append(wx.ID_ANY, 'Submenu item 2')
        sm.Append(wx.ID_ANY, 'Submenu item 3')
        item = wx.MenuItem(fileMenu, 1, '&Check\tCtrl + c', helpString ="Check Help")
        item.SetSubMenu(sm)
        fileMenu.AppendMenu(wx.ID_ANY, 'I&mport', sm)
          
        n = item.IsSubMenu()
        # if item is sub menu
        if(n == True):
            print("Item is SubMenu Item")
        else:
            print("Item is not a SubMenu Item")
        menubar.Append(fileMenu, '&File')
        self.SetMenuBar(menubar)
  
        self.SetSize((350, 250))
        self.SetTitle('Submenu')
        self.Centre()
  
  
  
  
def main():
  
    app = wx.App()
    ex = Example(None)
    ex.Show()
    app.MainLoop()
  
  
if __name__ == '__main__':
    main()

Output:

Item is SubMenu Item.

Output Window:




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