Tkinter Checkbutton and Canvas in Python

Hello friends how are you, today in this blog i will teach you what is Checkbutton and Canvas, syntax of Checkbutton and Canvas, how to create Checkbutton and Canvas, how Checkbutton and Canvas work in a very simple way.

Let's start 

Checkbutton

• Checkbutton is used to create checkbox in python.
• It is mainly used for selection purpose.
• Syntax:
  

  chk = Checkbutton ( master, option1,option2, ... )
  

• Here master is parent window and option can be used as a key-value pairs.
• Examples of options are bg,font,width etc.

from tkinter import *
top = Tk()
#window dimension
top.geometry("300x180")
top['bg']="#51E1DC"
#create check boxes
Checkbutton(top,text="Apple",width="15",onvalue=1,offvalue=0).place(x=10,y=20)
Checkbutton(top,text="Orange",width="15",onvalue=1,offvalue=0).place(x=10,y=50)
Checkbutton(top,text="Cherry",width="15",onvalue=1,offvalue=0).place(x=10,y=80)
top.mainloop()
 

Output

Print Selected Checkboxes Text

from tkinter import  messagebox
from tkinter import *
top = Tk()
#window dimension
top.geometry("300x180")
top['bg']="#51E1DC"
def fun():
    str=""
    if chk1.get()==1:
        str=str+ " Apple "
    if chk2.get()==1:
        str=str+" Orange "
    if chk3.get()==1:
        str = str + " Cherry "
    messagebox.showinfo("Result",str+" selected")
chk1=IntVar()
chk2=IntVar()
chk3=IntVar()
#create check boxes
Checkbutton(top,text="Apple",variable=chk1,width="15",onvalue=1,offvalue=0).place(x=10,y=20)
Checkbutton(top,text="Orange",variable=chk2,width="15",onvalue=1,offvalue=0).place(x=10,y=50)
Checkbutton(top,text="Cherry",variable=chk3,width="15",onvalue=1,offvalue=0).place(x=10,y=80)
Button(top,text="CLICK",command=fun).place(x=15,y=110)
top.mainloop()

Output

 TKinter Canvas

• Canvas is used to create graphical layout on which we can draw rectangle,arc,oval etc and we can also place text,widgets or frames on it.
• Syntax:
  

  c = Canvas ( master, option1,option2, ... )
  

• Here master is parent window and option can be used as a key-value pairs.
• Examples of options are bg,font,width,height etc.

from tkinter import *
top = Tk()
top.geometry("200x150")
top['bg']="#51E1DC"
c = Canvas(top, bg="#51E1DC", height="200", width=200)
#create arc
arc = c.create_arc((50, 20, 150, 120), start=315, extent=270, fill="yellow")
#create rectangle
arc=c.create_rectangle((50, 120, 150, 140), fill="red")
c.pack()
top.mainloop()
 

Output

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