fig output of combobox checkbutton the checkbutton is used to display the checkbutton on the window it is used to track the user' choices provided to the application in other wordswe can say that checkbutton is used to implement the on/off selections the checkbutton can obtain the text or images the checkbutton is mostly used to provide many choices to the user among whichthe user needs to choose the one it generally implements many of many selections syntax =checkbutton(master,options list of possible options is given below sr no option bitmap command highlightcolor justify offvalue onvalue variable width description it displays an image (monochromeon the button it is associated with function to be called when the state of the checkbutton is changed the color of the focus highlight when the checkbutton is under focus this specifies the justification of the text if the text contains multiple lines the associated control variable is set to by default if the button is unchecked we can change the state of an unchecked variable to some other one the associated control variable is set to by default if the button is checked we can change the state of the checked variable to some other one it represents the associated variable that tracks the state of the checkbutton it represents the width of the checkbutton it is represented in the number of characters that are represented in the form of texts