visible-range

Generic Function

Package: common-graphics

Arguments: trackbar

Returns the value of the visible-range property of the argument. This property determines a sub-range of a trackbar control's range that is displayed as a bar drawn along the widget.

The visible-range is only displayed when the select-range property of a trackbar has a true value. The value of the visible-range property must be a list of two numbers both within the range of the control.

visible-range is a property of the trackbar class.

Common Graphics and IDE documentation is described in About Common Graphics and IDE documentation in cgide.htm.

The documentation is described in introduction.htm and the index is in index.htm.

Copyright (c) 1998-2000, Franz Inc. Berkeley, CA., USA. All rights reserved.

Created 2000.10.5.