GUI_message_box_yes_no_cancel.py 文件源码

def _msgBox():
#     msg.showinfo('Python Message Info Box', 'A Python GUI created using tkinter:\nThe year is 2017.')  
#     msg.showwarning('Python Message Warning Box', 'A Python GUI created using tkinter:\nWarning: There might be a bug in this code.')
#     msg.showerror('Python Message Error Box', 'A Python GUI created using tkinter:\nError: Houston ~ we DO have a serious PROBLEM!')
    answer = msg.askyesnocancel("Python Message Multi Choice Box", "Are you sure you really wish to do this?")
    print(answer)

# Add another Menu to the Menu Bar and an item