t via above action descriptor, if any. */
word 				ALB_userLoadAckID;</PRE>
<PRE CLASS="syntax">/* ALB_extraData:
 * Extra data to send to process (possibly a handle to 
 * block containing arguments). */
word 				ALB_extraData;</PRE>
<PRE CLASS="syntax">} AppLaunchBlock;</PRE>
<P>
This structure is used when an application is first starting up. It is an argument of various messages which will be intercepted by system classes. The first fields (<CODE>
ALB_appRef</CODE>
, <CODE>
ALB_appMode</CODE>
, <CODE>
A