CONTENTS Title Page Copyright Page Preface 1 Installing ACA Services Installation Postinstallation Setup Setting Environment Variables Adding ACASWIN to the Microsoft Windows Program Manager Modifying the System Context Object Identify the Remote Node to Use for Selecting and Starting a Server Identify the Platform Type of the Remote Nodes Server Node Setup Tasks 2 Overview Overview of ACA Services ACA Services on Microsoft Windows The ACA Services User Interface Key Files Management Responsibilities 3 Customizing the ACA Services Environment Key Components of ACA Services System Context Object System Class Repository Determining the Needs of Your System Accessing Services on Remote Nodes Transports Security Authentication Changing Authentication Verification 4 Ongoing Maintenance Purging the System Class Repository and Context Object Stopping Method Servers Freeing Network Resources 5 Troubleshooting Tips for DECnet and TCP/IP Transports DECnet TCP/IP 6 Writing ACA Services Applications for Microsoft Windows ACA Services Server Capabilities on Microsoft Windows Writing an ACA Services Server for Microsoft Windows Dispatching Freeing Instance Handles and Network Resources 7 Writing an ACA Services DDE Server Making an ACA Services Server DDE Aware Creating Method Routines Generating a Method Dispatcher Registering as a DDE Aware Server Compiling and Linking the DDE Aware Server The ACA Services and DDE Environment EXAMPLES 7-1 DDE Register Server Example TABLES 1 Symbol Conventions 2 Typeface Conventions 2-1 File Names and Directories 3-1 Values for the ACAS_AUTHENTICATION Attribute 7-1 DDE Messages