Designing a distributed application – PB Docs 70
Designing a distributed application Before you begin building an application to run in a distributed computing environment, you need to design the application. This section provides some general guidelines for designing a distributed application. Determine the application requirements One of the keys to successful application development is designing what you’re going to build before you…
About building COM and MTS components – PB Docs 70
About building COM and MTS components You can develop a custom class user object containing business logic in PowerBuilder and then package the object as a COM object. A PowerBuilder COM server can include one or more PowerBuilder custom class user objects. You code the user objects in the User Object painter and then build…
Using the Database Trace tool – PB Docs 70
Using the Database Trace tool The section describes how to use the Database Trace tool. About the DatabaseTrace tool The Database Trace tool records the internal commands that PowerBuilder executes while accessing a database. You can trace a database connection in the development environment or in a PowerBuilder application that connects to a database. PowerBuilder…
Microsoft SQL Server – PB Docs 70
Microsoft SQL Server This section describes how to use the Microsoft SQL Server database interface in PowerBuilder. Supported versions and platformsfor SQL Server Versions You can access Microsoft SQL Server Version 6.0, 6.5, and 7.0 databases using the Microsoft SQL Server interface. The SQL Server interface uses a DLL named PBMSS70.DLL to access the database….
Declaring variables and external functions – PB Docs 70
Declaring variables and external functions The default layout in the Application, Window, and User Object painters includes a Script view set up to declare variables. Keeping a separate Script view open makes it easy to declare any variables or external functions you need to use in your code without closing and compiling the script. To…
Modifying user-defined functions – PB Docs 70
Modifying user-defined functions You can change the definition of a user-defined function at any time. You change the processing performed by the function by simply modifying the statements in the Script view. You can also change the return type, argument list, or access level for a function. To change a function’s return type, arguments, or…
Writing scripts for menu items – PB Docs 70
Writing scripts for menu items You write scripts for menu items in the Script view. The scripts specify what happens when users select a menu item. To write a script for a menu item: Double-click the menu item. or Select Script from the menu item’s popup menu. The Script view displays for the clicked event,…
About the User Object painter – PB Docs 70
About the User Object painter The User Object painter has five implementations, depending on the type of user object you are working with. The User Object painter has several views where you specify how the user object behaves and, for custom visual and standard visual user objects, how it looks. Views for visual user objects…
Specifying the application’s library search path – PB Docs 70
Specifying the application’s library search path The objects you create in painters are stored in PowerBuilder libraries. You can use objects from one library or multiple libraries in an application. You define each library the application uses in the library search path. PowerBuilder uses the search path to find referenced objects during execution. When a…
Searching libraries and objects – PB Docs 70
Searching libraries and objects Global search of application libraries You can search libraries to locate where a specified text string is used in your application. For example, you can search for: All scripts that use the SetTransObject function All windows that contain the CommandButton cb_exit (all controls contained in a window are listed in the…