Ok, it's good to add a item... but how i do to link an action ?
I Try :
MenuBar1->connectMenuItem("File",{"File", "backup", "Action 1"},fonction1,arg); Doesn't work
MenuBar1->connectMenuItem({"File", "backup"},"Action 1",fonction1,arg); Doesn't work
MenuBar1->connectMenuItem("File","Action 1",fonction1,arg); Doesn't work
MenuBar1->connectMenuItem("backup","Action 1",fonction1,arg); Doesn't work
I'm Loose