Perl/Tk Pocket Reference

36 Perl/Tk Pocket Reference

$radiobutton->select;

Selects the radiobutton.

Scale

-bigincrement => float

A real value to use for large increments of the scale.

-command => callback

Specifies a callback to invoke when scale’s value is

changed. The scale’s value will be appended as an addi-

tional argument.

-digits => integer

An integer specifying how many significant digits should

be retained.

-from => number

A real value corresponding to the left or top end of the

scale.

-label => string

A string to display as label for the scale.

-length => size

Specifies the height (width) for vertical (horizontal)

scales.

-resolution => number

Rounds the scale’s value to an even multiple of the real

value, number.

-showvalue => boolean

Whether or not scale’s current value should be displayed

in side label.

-activebackground -highlightthickness

-background -orient

-borderwidth -relief

-cursor -repeatdelay

-foreground -repeatinterval

-font -state

-highlightbackground -takefocus

-highlightcolor -troughcolor