Building the objects you need – PB Docs 120
Building the objects you need To implement data piping in an application, you need to build a few different objects: A Pipeline object A supporting user object A window Building a Pipeline object You must build a Pipeline object to specify the data definition and access aspects of the pipeline that you want your application…
Chapter 36 Deploying Applications and Components – PB Docs 120
Chapter 36 Deploying Applications and Components About this chapter This chapter provides the information required to deploy applications and components to users’ computers and servers. It describes a tool you can use to package PowerBuilder runtime files, and lists the files you need to deploy with various kinds of targets. These lists of files sometimes…
Reading and writing text or binary files – PB Docs 120
Reading and writing text or binary files You use PowerScript text file functions to read and write text in line mode or text mode, or to read and write binary files in stream mode: In line mode, you can read a file a line at a time until either a carriage return or line feed…
Using DataWindow information to populate a TreeView – PB Docs 120
Using DataWindow information to populate a TreeView A useful implementation of the TreeView control is to populate it with information that you retrieve from a DataWindow. To do this your application must: Declare and instantiate a DataStore and assign a DataWindow object Retrieve information as needed Use the retrieved information to populate the TreeView Destroy…
About keyboard support in MDI applications – PB Docs 120
About keyboard support in MDI applications PowerBuilder MDI applications automatically support arrow keys and shortcut keys. Arrow keys In an MDI frame, how the pointer moves when the user presses an arrow key depends on where focus is when the key is pressed: Table 5-2: Arrow key focus changes Key If focus is in Focus…
Data Access Techniques – PB Docs 120
Data Access Techniques This part presents a collection of techniques you can use to implement data access features in the applications you develop with PowerBuilder. It includes using Transaction objects, XML processing, graphs, rich text, and piping of data between data sources. The use of DataWindow objects and DataStores for data access is described in…
Chapter 12 Using Transaction Objects – PB Docs 120
Chapter 12 Using Transaction Objects About this chapter This chapter describes Transaction objects and how to use them in PowerBuilder applications. Contents Topic About Transaction objects Working with Transaction objects Using Transaction objects to call stored procedures Supported DBMS features when calling stored procedures Document get from Powerbuilder help Thank you for watching.
Printing functions – PB Docs 120
Printing functions PowerScript provides predefined functions that you can use to generate simple and complex lists and reports. Using only three functions, you can create a tabular report in your printer’s default font. Using additional functions, you can create a report with multiple text fonts, character sizes, and styles, as well as lines and pictures….
About preferences and default settings – PB Docs 120
About preferences and default settings Many PowerBuilder applications store user preferences and default settings across sessions. For example, many applications keep track of settings that control the appearance and behavior of the application, or store default parameters for connecting to the database. PowerBuilder applications can manage this kind of information in initialization files or in…
Dot notation – PB Docs 120
Dot notation Dot notation lets you qualify the item you are referring to—instance variable, property, event, or function—with the object that owns it. Dot notation is for objects. You do not use dot notation for global variables and functions, because they are independent of any object. You do not use dot notation for shared variables…