Duration: 3 days (24h)

Aim: development of an MDI application and Database manipulation

Pre-requisites: generic programming skills.

Language: Italian and English

Content:

Introduction
– PowerBuilder IDE (2019 – 2022)
– Workspace and Target
– The Application Object
– Powerscript, events, variables
– HelloWorld sample application execution

Windows

– Creating of a Window and adding visual controls
– Controls properties
– Types of Windows

Menu

– Menus and sub-items, toolbars, types of menus and menu scripting
– Dynamic Window Events calls from the Menu object

Database

– Types of connections to DB: ODBC vs native drivers
– DB painter, DVB profile and Powerscript syntax
– The Transaction object

Datawindow

– Creatig a DW object: presentation styles and data preview
– Arguments Retrieval and SQL source
– Server-side and Client-side operations – Computed Fields

Buffers

– Static/Dynamic binding of dataobject in DW Inheritance controls
– Inheritance in PB
– Making a basic window with a DW control in it, and defining User Events
– Inheriting an new window and adding controls and scripts (additional concepts)
– Visual and non-visual UO, dynamic creation

PB Debugger

– Running the application in Debug mode and seting breakpoints
– Step in / Step over, Variable watch, conditional breakpoints
– Application deployment and distribution
– PB Dynamic Library vs DLL
– PB Runtime DLL