Method GTK2.Button()->create()
- Method create
 GTK2.Button GTK2.Button(string|mappinglabel_or_props)- Description
 If a string is supplied, a W(Label) is created and added to the button.
GTK2.Button GTK2.Button(string|mapping label_or_props)
If a string is supplied, a W(Label) is created and added to the button.