from tkinter import * from tkinter import messagebox top = Tk() top.geometry("100x100") def helloCallBack(): msg=messagebox.showinfo( "Hello Python", "Hello World") B = Button(top, text ="Hello", command = helloCallBack) B.place(x=50,y=50) top.mainloop() ...
import tkinter as tk my_w = tk.Tk() my_w.geometry("500x500") def my_upd(): b2.config(bg='red') b1 = tk.Button(my_w, text='Change Color', width=50,bg='yellow', command=lambda: my_upd()) b1.grid(row=2,column=2) b2 = tk.Button(my_w, text='Close', width=20, bg=...
fromtkinterimport* classChangeLabelDemo: defprocessButton(self): self.lbl["text"]=self.msg.get() defprocessRadiobutton(self): ifself.v1.get()=="R": self.lbl["fg"]="red" elifself.v1.get()=='Y': self.lbl["fg"]="yellow" def__init__(self): window=Tk() window.title("Change ...
"climate change", "health", "war", "wildlife", "asia", "north america", "dishonest junk"):...
from tkinter import * states = [] # change object not name def onPress(i): # keep track of states states[i] = not states[i] # changes False->True, True->False root = Tk() for i in range(10): chk = Checkbutton(root, text=str(i), command=(lambda i=i: onPress(i)) ) chk...
这里要注意下,tktiner在添加图片时,PhotoImage(file='tmp.gif')要求图片必须是.gif结尾的图片,否则就会报错:_tkinter.TclError: couldn’t recognize data in image file2关于base64大家看到我没有加载图片,而是通过base64提前转码好二进制文件后,再进行导入,这样我们打包的exe在使用时,就无需附带一个图片文件了!
menu1.add_radiobutton(label = "Cos", command = Cos,variable=var)menu1.add_separator()menu1.add_command(label = "Exit", command = win.destroy) # 关闭窗口setMenu.add_cascade(label="Select",menu = menu1)win.config(menu = setMenu)menu2 = tk.Menu(win)menu2.add_command(label = 'Sin...
import tkinter as tk from tkinter import messagebox def show_message(): messagebox.showinfo("Information", "Hello, John! This is an information message.") window = tk.Tk() window.title("Message Box Example") button = tk.Button(window, text="Show Message", command=show_message) ...
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NB IDLE can't cope with some aspects of the way that most of the pi3d demos get key presses using the curses module. There will be an error to the effectcurses.cbreak() returned ERR Optionally, install tk. Some of the demos require the tk graphics toolkit. To download and install it...