Python GUI Tkinter Button Tutorial

Python GUI Tkinter Button Tutorial

 
import Tkinter as tk

counter = 0
def counter_label(lable):
    counter = 0
    def count():
    global counter
    counter +=1
    label.config(text=str(counter))
    label.after(1000,count)
    count()
  
root = tk.Tk()
root.title("Counting Seconds")
label = tk.Label(root, fg="dark green")
label.pack()
counter_label(label)
button = tk.Button(root, text="Stop", width=25, command=root.destroy)
button.pack()
root.mainloop()

 
import Tkinter
import tkMessageBox

top = Tkinter.Tk()

def helloCallBack():
    tkMessageBox.showinfo("hello Python","Hello word")
B = Tkinter.Button(top,text="Hello button",command=helloCallBack)
B.pack()
top.mainloop();

 
from tkinter import *
from tkinter import messagebox 
top = Tk()  
top.geometry("300x200") 
top.title('Hello Python')

def red():  
    messagebox.showerror("Hello", "Red Button clicked") 
def blue():  
    messagebox.showinfo("Hello", "Blue Button clicked") 
def green():  
    messagebox.showinfo("Hello", "Green Button clicked") 
def clicked():
    res = "Welcome to " + txt.get()
    lbl.configure(text= res)
b1 = Button(top,text = "Red",command = red,activeforeground = "red",activebackground = "pink",bg="green",font="14",pady=10) 
b2 = Button(top, text = "Blue",command = blue,activeforeground = "blue",activebackground = "pink",pady=10)  
b3 = Button(top, text = "Green",command = green,activeforeground = "green",activebackground = "pink",pady = 10)  
b4 = Button(top, text = "Yellow",command = clicked,activeforeground = "yellow",activebackground = "pink",pady = 10) 
lbl = Label(top,text = "Hello",font="14") 
txt = Entry(top,width=50)
b1.pack(side = LEFT) 
b2.pack(side = RIGHT)  
b3.pack(side = TOP)  
b4.pack(side = BOTTOM)  
lbl.pack()  
txt.pack(side = TOP)
top.mainloop()