About this Manual

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version 1.5


This manual describes the 4D Open for 4th Dimension routines. It assumes that you are familiar with the 4th Dimension programming language. For more information about the 4th Dimension programming language, refer to the 4th Dimension Language Reference.

Starting with Chapter 2, the chapters in this manual correspond to the function categories (themes) in the 4th Dimension Method editor.

Conventions

This manual uses certain conventions to help you understand the material.

In the syntax descriptions, the -> and <- symbols mean the following:

SymbolDescription
->Parameter is only passed, so you can pass a value, a variable, or an array
<-Parameter is returned, so you must pass a variable or an array. The array can be
process or interprocess, but not local.

This manual uses a number of specific conventions similar to those in the 4th Dimension Method editor to identify procedure code and commands.

4D code examples appear in a special font. For example:

   ALL RECORDS

4D Open for 4th Dimension external functions appear in bold-italic. For example:

   OP All records  

Parameters of these external functions appear in a different typeface. For example:

ConnectionID

About the Examples

The examples in this manual illustrate the use of the 4D Open for 4th Dimension functions. These examples may not have been optimized. In addition, be sure to use error-checking when using them in your code.


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