'\"
'\" Copyright (c) 1997 Maorong Zou
'\" 
.TH  3 "" EZWGL "EZWGL Functions"
.BS
.SH NAME 
EZ_DoScroll \- move a scrollbar

.SH SYNOPSIS
.nf
.B #include <EZ.h>
.sp
.BI "void EZ_DoScroll( EZ_Widget *" scrollbar ", int " offset ", int " absolute )


.SH ARGUMENTS
\fIscrollbar\fR specifies a scrollbar widget.
.sp
\fIoffset\fR specifies an offset.
.sp
\fIabsolute\fR specifies how to interpret offset.
.SH DESCRIPTION
.PP
A scrollbar uses three state variables to scroll an object: total_size, page_size
and start_position (e.g. number of lines, number of lines in one page and the
index of the first line currently displayed).  
.sp
\fBEZ_DoScroll\fR  scrolls the object which scrollbar controls by the specified
\fIoffset\fR.   If \fIabsoulte\fR is True, \fIoffset\fR is treated as the absolute
position, otherwise, it is interpreted as the offset from the start_position.


.SH "SEE ALSO"
EZ_UpdateScrollbar(3)
.br