'\"
'\" Copyright (c) 1997 Maorong Zou
'\" 
.TH EZ_SetGradientBarValue 3 "" EZWGL "EZWGL Functions"
.BS
.SH NAME
EZ_SetGradientBarValue, EZ_GetGradientBarValue,
EZ_SetGradientBarRange \- set/retrieve the value of a gradient bar

.SH SYNOPSIS
.nf
.B #include <EZ.h>
.sp
.BI "void EZ_SetGradientBarValue( EZ_Widget *" gbar ", float " value)
.BI "void EZ_GetGradientBarValue( EZ_Widget *" gbar)
.BI "void EZ_SetGradientBarRange( EZ_Widget *" gbar ", float " from ", float " to)
        
.SH ARGUMENTS
\fIgbar\fR  Specifies a gradient bar widget.
.sp
\fIvalue\fR  Specifies a float point number.
.sp
\fIfrom, to\fR Specifies the range of a gradient bar.
spin function \fIf\fR.

.SH DESCRIPTION
A gradient bar displays a smooth shaded color bar. The color bar
is controled by up to 12 colors. A gradient bar behaves more or less
like a slider, except it returns both a float point value and a 
RGB value. The scroll button on a gradient bar has 4 different styles.
      
.PP
\fBEZ_SetGradientBarValue\fR sets the slider position of a gradient bar.

.PP
\fBEZ_GetGradientBarValue\fR returns the current float point value
of a gradient bar.

.PP
\fBEZ_SetGradientBarRange\fR sets the range of a gradient bar.

.SH "SEE ALSO"
EZ_SetGradientBarColors(3), EZ_GetGradientBarColor(3)
.br