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Powerbuilder Documentation – Page 2193 – PowerBuilder Library

Powerbuilder Documentation

  2. Powerbuilder Documentation

Advanced ways to manipulate OLE objects – PB Docs 70

Advanced ways to manipulate OLE objects In addition to OLE objects in controls and objects for automation, PowerBuilder provides an interface to the underpinnings of OLE data storage. OLE data is stored in objects called streams, which live in objects called storages. Streams and storages are analogous to the files and directories of a file…

Powerbuilder Documentation 7.0 PB Docs 70 Powerbuilder Application Techniques Powerbuilder Documentation Powerbuilder Documentation 7.0 Powerbuilder Documentation Older

Using a user object as an automation server – PB Docs 70

Using a user object as an automation server Accessing a registered user object as an automation server involves these steps: Create the object you will access. Build the object’s runtime library. Register the object. Write code in the client that connects to and uses the object. Creating a class user object to be a server…

Powerbuilder Documentation 7.0 PB Docs 70 Powerbuilder Application Techniques Powerbuilder Documentation Powerbuilder Documentation 7.0 Powerbuilder Documentation Older

Using PowerBuilder as an automation server – PB Docs 70

Using PowerBuilder as an automation server Using PowerBuilder.Application as an automation server involves these steps: Define the objects you will access. Build the runtime libraries for those objects. Write code in the client that connects to PowerBuilder, creates the objects, and accesses their methods and properties. Creating the userobjects you will access How you define…

Powerbuilder Documentation 7.0 PB Docs 70 Powerbuilder Application Techniques Powerbuilder Documentation Powerbuilder Documentation 7.0 Powerbuilder Documentation Older

Creating and using a named server – PB Docs 70

Creating and using a named server Using your own named server involves these steps: Define the objects you will access. Build the runtime libraries for those objects. Register your server in the registry. Write code in the client that connects to your server, creates objects, and accesses their methods and properties. Creating the user objects…

Powerbuilder Documentation 7.0 PB Docs 70 Powerbuilder Application Techniques Powerbuilder Documentation Powerbuilder Documentation 7.0 Powerbuilder Documentation Older

Accessing a remote object via automation – PB Docs 70

Accessing a remote object via automation The PowerBuilder automation server provides support for distributed computing. You can use OLE to instantiate a local proxy object in a PowerBuilder session that provides access to a remote PowerBuilder server. Using automation servers with transaction servers You can also deploy an automation server to a transaction server such…

Powerbuilder Documentation 7.0 PB Docs 70 Powerbuilder Application Techniques Powerbuilder Documentation Powerbuilder Documentation 7.0 Powerbuilder Documentation Older

The Message object – PB Docs 70

The Message object The Message object is a predefined PowerBuilder global object (like the default Transaction object SQLCA and the Error object) that is used in scripts to process Microsoft Windows events that are not PowerBuilder-defined events. When a Microsoft Windows event occurs that is not a PowerBuilder-defined event, PowerBuilder populates the Message object with…

Powerbuilder Documentation 7.0 PB Docs 70 Powerbuilder Application Techniques Powerbuilder Documentation Powerbuilder Documentation 7.0 Powerbuilder Documentation Older

Context information – PB Docs 70

Context information The PowerBuilder context feature allows applications to access certain host (non-PowerBuilder) services. This is a PowerBuilder implementation of functionality similar to the COM QueryInterface. PowerBuilder provides access to the following host services: Context information service Keyword service Internet service Transaction server service Error logging service Secure Sockets Layer service PowerBuilder creates service objects…

Powerbuilder Documentation 7.0 PB Docs 70 Powerbuilder Application Techniques Powerbuilder Documentation Powerbuilder Documentation 7.0 Powerbuilder Documentation Older

Using utility functions to manage information – PB Docs 70

Using utility functions to manage information The utility functions provide a way to obtain and pass Windows information to external functions and can be used as arguments in the PowerScript Send function. There are four utility functions: Four utility functions Function Return value Purpose Handle UnsignedInt Returns the handle to a specified object IntHigh UnsignedInt…

Powerbuilder Documentation 7.0 PB Docs 70 Powerbuilder Application Techniques Powerbuilder Documentation Powerbuilder Documentation 7.0 Powerbuilder Documentation Older

Controlling access for instance variables – PB Docs 70

Controlling access for instance variables Instance variables have access settings that provide control over how other objects’ scripts access them. You can specify that a variable is: Public Accessible to any other object Protected Accessible only in scripts for the object and its descendants Private Accessible in scripts for the object only For example:

…

Powerbuilder Documentation 7.0 PB Docs 70 Powerbuilder Application Techniques Powerbuilder Documentation Powerbuilder Documentation 7.0 Powerbuilder Documentation Older

Why distributed computing – PB Docs 70

Why distributed computing About distributed computing Distributed computing allows you to get the most out of your investment in the network computer architecture. By taking advantage of the capabilities of distributed computing, you can streamline the process of developing and deploying PowerBuilder applications on network computer systems. Distributed computing is a natural outgrowth of the…

Powerbuilder Documentation 7.0 PB Docs 70 Powerbuilder Application Techniques Powerbuilder Documentation Powerbuilder Documentation 7.0 Powerbuilder Documentation Older