wxPython – IsChecked() function in wx.MenuBar

In this article we are going to learn about IsChecked() function associated with wx.MenuBar class of wxPython. IsChecked() function simply determines whether an item is checked. IsChecked() function returns True if the item was found and is checked, False otherwise.
IsChecked() function takes id as argument.

Syntax: wx.MenuBar.IsChecked(self, id)

Parameters:

Parameter	Input Type	Description
id	int	The menu item identifier.

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()
        self.fileMenu2 = wx.Menu()
        self.item = wx.MenuItem(self.fileMenu, 1, '&Check', helpString ="Check Help",
                                                               kind = wx.ITEM_CHECK)
        self.item.SetBitmap(wx.Bitmap('right.png'))
        self.fileMenu.Append(self.item)
        self.menubar.Append(self.fileMenu, '&File')
        self.Bind(wx.EVT_MENU, self.Onclick, self.item)
        self.SetMenuBar(self.menubar)
        self.SetSize((350, 250))
        self.SetTitle('New Frame Title')
        self.Centre()

    def Onclick(self, e):
        if(self.menubar.IsChecked(1)== True):
            # print CHECKED if True
            print("CHECKED")
        else:
            # else print UNCHECKED
            print("UNCHECKED")

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


if __name__ == '__main__':
    main()

Output Window:

Console Output:

CHECKED
UNCHECKED