The Button Widget
Create a simple button with the Button method:
$parentwidget->Button (options)The standard configuration options that apply to Button are: -activebackground, -activeforeground, -anchor, -background, -bg, -bitmap, -borderwidth, -bd, -cursor, -default, -disabledforeground, -font, -foreground, -fg, -height, -highlight-background, -highlightcolor, -highlightthickness, -image, -justify, -padx, -pady, -relief, -state, -takefocus, -underline, -width, and -wraplength.
Other options are:
-command =>callbackPointer to a function that will be called when the button is pressed.
-text =>'text'Defines the text string displayed on the button. See also
-textvariable.-textvariable =>\$variablePoints to the variable containing text to be displayed in the button. Button text will change as
$variabledoes.