Table of Contents

Using DDE in an Application

About DDE

DDE functions and events

Using OLE in an Application

OLE support in PowerBuilder

OLE controls in a window

OLE controls and insertable objects

Setting up the OLE control

Linking versus embedding

Offsite or in-place activation

Menus for in-place activation

Modifying an object in an OLE control

OLE custom controls

Setting up the custom control

Programming the ActiveX control

Programmable OLE Objects

OLEObject object type

Assignments among OLEControl, OLECustomControl, and OLEObject datatypes

Automation scenario

OLE objects in scripts

The automation interface

Automation and the Any datatype

OLEObjects for efficiency

Handling errors

Creating hot links

Setting the language for OLE objects and controls

Low-level access to the OLE object

OLE objects in DataWindow objects

OLE information in the Browser

Advanced ways to manipulate OLE objects

Structure of an OLE storage

Object types for storages and streams

Opening and saving storages

Opening streams

Strategies for using storages

Building a Mail-Enabled Application

About MAPI

Using MAPI

Using External Functions and Other Processing Extensions

Using external functions

Declaring external functions

Sample declarations

Passing arguments

Using utility functions to manage information

Sending Windows messages

The Message object

Message object properties

Context information

Context information service

Context keyword service

CORBACurrent service (obsolete)

Error logging service

Internet service

Transaction server service