In this article we will learn about Enable() function in wx.MenuBar class of wxPython. Sometimes we want a menu item to get unclickable or clickable in that case we use Enable() function. Enable() function takes a boolean parameter, if it’s True then the item is clickable else it is greyed up and is unclickable.
Syntax :
wx.MenuBar.Enable(self, id, enable)Parameters :
Parameter Input Type Description id int The menu item identifier. enable bool True to enable the item, False to disable it.
Code Example :
import wx
class Example(wx.Frame):
def __init__( self , * args, * * kwargs):
super (Example, self ).__init__( * args, * * kwargs)
self .InitUI()
def InitUI( self ):
# create MenuBar using MenuBar() function
menubar = wx.MenuBar()
# add menu to MenuBar
fileMenu = wx.Menu()
# add submenu item
fileItem = fileMenu.Append( 20 , 'SubMenu' )
menubar.Append(fileMenu, '&Menu# 1' )
self .SetMenuBar(menubar)
self .SetSize(( 300 , 200 ))
self .SetTitle( 'Menu Bar' )
# disable menu item using Enable() function
menubar.Enable( 20 , False )
def main():
app = wx.App()
ex = Example( None )
ex.Show()
app.MainLoop()
if __name__ = = '__main__' :
main()
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Output: