'\"
'\" Copyright (c) 1997 Maorong Zou
'\" 
.TH EZ_GetScrollButtonScrollCount 3 "" EZWGL "EZWGL Functions"
.BS
.SH NAME
EZ_GetScrollButtonScrollCount \- return the value of the state variable of a scroll button

.SH SYNOPSIS
.nf
.B #include <EZ.h>
.sp
.BI "int EZ_GetScrollButtonScrollCount(EZ_Widget *" scrollBtn)
.sp

.SH ARGUMENTS
\fIscrollBtn\fR Specifies a scroll button.
.sp
.SH DESCRIPTION
.PP
A scroll button displays one or two arrows. When the left mouse button
is pressed on the arrow, its callbacks are invoked. The callbacks will
be executed continuousely till the button press is released. 
\fIEZ_GetScrollButtonScrollCount\fR returns the number of times
the callbacks has been executed since the last button press.
This value will be reset to zero when the left button is released.

.SH "SEE ALSO"
EZ_CreateWidget(3), EZ_DisplayWidget(3)