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ttk::checkbutton

ttk::checkbutton(3tk)						 Tk Themed Widget					     ttk::checkbutton(3tk)

__________________________________________________________________________________________________________________________________________________

NAME

       ttk::checkbutton - On/off widget

SYNOPSIS

       ttk::checkbutton pathName ?options?
_________________________________________________________________

DESCRIPTION

       A  ttk::checkbutton  widget is used to show or change a setting.  It has two states, selected and deselected.  The state of the checkbutton
       may be linked to a Tcl variable.

STANDARD OPTIONS

       -class		     -compound		  -cursor
       -image		     -state		  -style
       -takefocus	     -text		  -textvariable
       -underline	     -width

       See the ttk_widget manual entry for details on the standard options.

WIDGET-SPECIFIC OPTIONS
       Command-Line Name:-command
       Database Name:  command
       Database Class: Command

	      A Tcl script to execute whenever the widget is invoked.

       Command-Line Name:-offvalue
       Database Name:  offValue
       Database Class: OffValue

	      The value to store in the associated -variable when the widget is deselected.  Defaults to 0.

       Command-Line Name:-onvalue
       Database Name:  onValue
       Database Class: OnValue

	      The value to store in the associated -variable when the widget is selected.  Defaults to 1.

       Command-Line Name:-variable
       Database Name:  variable
       Database Class: Variable

	      The name of a global variable whose value is linked to the widget.  Defaults to the widget pathname if not specified.

WIDGET COMMAND

       In addition to the standard cget, configure, identify, instate, and state commands, checkbuttons support the  following	additional  widget
       commands:

       pathname invoke
	      Toggles between the selected and deselected states and evaluates the associated -command.  If the widget is currently selected, sets
	      the -variable to the -offvalue and deselects the widget; otherwise, sets the -variable to the -onvalue Returns  the  result  of  the
	      -command.

WIDGET STATES

       The  widget  does not respond to user input if the disabled state is set.  The widget sets the selected state whenever the linked -variable
       is set to the widget's -onvalue, and clears it otherwise.  The widget sets the alternate state whenever	the  linked  -variable	is  unset.
       (The alternate state may be used to indicate a "tri-state" or "indeterminate" selection.)

STANDARD STYLES

       Ttk::checkbutton widgets support the Toolbutton style in all standard themes, which is useful for creating widgets for toolbars.

SEE ALSO

       ttk::widget(3tk), ttk::radiobutton(3tk), checkbutton(3tk)

KEYWORDS

       widget, button, toggle, check, option

Tk									8.5						     ttk::checkbutton(3tk)