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PowerScript Reference

Appeon PowerBuilder® 2025

FOR WINDOWS

DOCUMENT ID: DC37781-01-1900-01

LAST REVISED: December 03, 2024

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Table of Contents

PowerScript Topics

Language Basics

Comments
Identifier names
Labels
Special ASCII characters
NULL values
Reserved words
Pronouns
Statement continuation
Statement separation
White space
Conditional compilation

Standard datatypes
The Any datatype
System object datatypes
Enumerated datatypes

Declarations

Declaring variables
Declaring constants
Declaring arrays
Declaring external functions
Declaring DBMS stored procedures as remote procedure calls

Operators and Expressions

Operators in PowerBuilder
Operator precedence in PowerBuilder expressions
Datatype of PowerBuilder expressions

Structures and Objects

About structures
About objects
Assignment for objects and structures

Calling Functions and Events

About functions and events
Finding and executing functions and events
Triggering versus posting functions and events
Static versus dynamic calls
Overloading, overriding, and extending functions and events
Passing arguments to functions and events
Using return values
Syntax for calling PowerBuilder functions and events
Calling functions and events in an object's ancestor

Statements, Events, and Functions

PowerScript Statements

Assignment
CALL
CHOOSE CASE
CONTINUE
CREATE
DESTROY
DO...LOOP
EXIT
FOR...NEXT
GOTO
HALT
IF...THEN
RETURN
THROW
THROWS
TRY...CATCH...FINALLY...END TRY

SQL Statements

Using SQL in scripts
Using dynamic SQL

PowerScript Events

PowerScript Functions

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		PowerScript Topics