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PyQt5 QCommandLinkButton – Checking Check State

Last Updated : 26 Jun, 2020
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In this article we will see how we can check if the checkable QCommandLinkButton checked or unchecked, by default it is not checkable although we can make it checkable any time with the help of setCheckable method. Also when it is checkable its state is unchecked although we can programmatically make its state checked with the help of setChecked method.

In order to do this we use isChecked method with the command link button object

Syntax : button.isChecked()

Argument : It takes no argument

Return : It returns bool

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, 500, 400)
  
        # calling method
        self.UiComponents()
  
        # showing all the widgets
        self.show()
  
  
    # method for components
    def UiComponents(self):
  
  
        # creating a command link button
        cl_button = QCommandLinkButton("Press", self)
  
        # setting geometry
        cl_button.setGeometry(250, 100, 150, 50)
  
        # making it checkable
        cl_button.setCheckable(True)
  
        # making its state checked
        cl_button.setChecked(True)
  
        # creating label
        label = QLabel("GeeksforGeeks", self)
  
        # setting label geometry
        label.setGeometry(100, 100, 200, 40)
  
        # making label multiline
        label.setWordWrap(True)
  
        # checking if button is in checked state
        value = cl_button.isChecked()
  
        # setting text to the label
        label.setText("Checked ? " + str(value))
  
  
  
  
# create pyqt5 app
App = QApplication(sys.argv)
  
# create the instance of our Window
window = Window()
  
# start the app
sys.exit(App.exec())


Output :



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