XfwfThumbWheel (superclass: Core)
	A vertical thumb wheel that can be turned up or down. It can
	serve as a scroller or valuator. The turning effect is
	achieved by showing a series of prepared images one after the
	other.

Files
	Imakefile
	ThWheel.c
	ThWheelP.h
	ThWheel.h
	ThWheel.w	(the real source, see below)
	ThWheelT.c	(test program)

N.B.
	The Imakefile only works when the sources are put into the FWF
	source tree.

	The widget files are computer-generated. The real source is
	Button.w. It has been processed with Wbuild.

	Both Wbuild and the complete FWF distribution available by
	anonymous ftp from a.cs.uiuc.edu.

Author
	Bert Bos <bert@let.rug.nl>
	Alfa-informatica, Rijksuniversiteit Groningen, The Netherlands
	Jan 1994

History
	20 Jan '94: first version
