[Appendix A] A.7 Scale
Author: Sriram Srinivasan
Date: 1999-07-02T01:43:12Z

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| Appendix A Tk Widget Reference |

## A.7 Scale

Table A.13: Scale Methods and Properties
Properties | Description
--- | ---
command | Specifies a reference to a Perl subroutine, which is called when the scale's value is changed.
variable | Reference to a variable to be updated whenever the slider moves. Conversely, if you want the slider to move, you can change the variable.
width, length | Specifies the width and the length of the scale in pixels. Note that it doesn't support a property called height.
orient | Horizontal or vertical.
from, to | Real numbers.
resolution | If greater than 0, the value displayed and returned is always in even multiples of this value. Defaults to 1.
tickinterval | Spacing between numerical tick marks. If 0, no tick marks are displayed.
label, font | A label to be displayed on the top or the left of the slider (depending on orientation).
Methods |
set(value) | Same as updating the variable to the given value.

A.6 Scrollbars and Scrolling |  | A.8 HList - Hierarchical List