Python GUI Tkinter Button Tutorial

Python GUI Tkinter Button Tutorial

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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()

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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();

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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()