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PyQt5 – checkState() method for Check Box

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  • Last Updated : 22 Apr, 2020
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There are basically two states in check box that are checked or unchecked, although using setTristate method we can add an intermediate state.

checkState method is used to check the state of the check box, it returns CheckState object but when we print it output will be as follows:

  • 0 for un-checked state
  • 2 for checked state
  • 1 for intermediate state

Syntax : checkbox.checkState()

Argument : It takes no argument.

Return : It returns CheckState object

Below is the implementation.




# importing libraries
from PyQt5.QtWidgets import * 
from PyQt5 import QtCore, QtGui
from PyQt5.QtGui import * 
from PyQt5.QtCore import * 
import sys
  
  
class Window(QMainWindow):
  
    def __init__(self):
        super().__init__()
  
        # setting title
        self.setWindowTitle("Python ")
  
        # setting geometry
        self.setGeometry(100, 100, 600, 400)
  
        # calling method
        self.UiComponents()
  
        # showing all the widgets
        self.show()
  
    # method for widgets
    def UiComponents(self):
  
        # creating the check-box
        checkbox = QCheckBox('Geek ?', self)
  
        # setting geometry of check box
        checkbox.setGeometry(200, 150, 100, 40)
  
        # getting the checked state
        check = checkbox.checkState()
  
        # printing the state
        print("Before check status : ", check)
  
        # checking the check box
        checkbox.setChecked(True)
  
        # getting the checked state
        check = checkbox.checkState()
  
        # printing the state
        print("After check status : ", check)
  
        # exiting the program
        sys.exit()
  
  
  
# create pyqt5 app
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
# start the app
sys.exit(App.exec())

Output :

Before check status :  0
After check status :  2

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