1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<TITLE>fetchEvent</TITLE>
<link rel="stylesheet" type="text/css" href="style.css" />
</head>
<BODY>
<HR>
<div align="center"><img id="headerGraphic" src="images/sludge300.png" alt="SLUDGE"/></div>
<h2>fetchEvent</h2>
<HR>
<H3>Syntax:</H3>
<P>
<pre class="syntax">fetchEvent (<i>thisAction, thisObject</i>);</pre>
</P>
<H3>Purpose:</H3>
<P>
Determines whether the <i>thisObject</i> object type contains a <i>thisAction</i> event. Both <i>thisAction</i> and <i>thisObject</i> must be variables of type objectType.
</P>
<H3>Return value:</H3>
<P>
fetchEvent returns a function handle if the specified event is found. If no event is found, the function returns FALSE.
</P>
<H3>Example:</H3>
<P>
<pre>objectType ego () {
}
objectType lookAt () {
}
objectType poster ("poster") {
event lookAt {
say (ego, "I'm looking at the poster.");
}
}
sub init () {
var a = fetchEvent (poster, lookAt);
# Returns FALSE
var b = fetchEvent (lookAt, poster);
# Returns a pointer to poster.lookAt
}</pre>
</P>
<H3>See also:</H3>
<P>
<a href="Object_Types_and_Events.html">Object Types and Events</a>
</P>
<P>
<a href="callEvent.html">callEvent</a>
</P>
<P class="copyright-notice">SLUDGE and this SLUDGE documentation are <A HREF="Copyright.html">copyright</A> Hungry Software and contributors 2000-2012
</P>
<HR>
</BODY>
</html>
|
