简单的ttk ComboBox演示

简单的ttk ComboBox演示

只需将虚拟事件绑定

<<ComboboxSelected>>

到Combobox小部件：

class App:    def __init__(self, parent):        self.parent = parent        self.value_of_combo = 'X'        self.combo()    def newselection(self, event):        self.value_of_combo = self.box.get()        print(self.value_of_combo)    def combo(self):        self.box_value = StringVar()        self.box = ttk.Combobox(self.parent, textvariable=self.box_value)        self.box.bind("<<ComboboxSelected>>", self.newselection)        # ...