Visual FoxPro includes a wide range of native functions that you can use to perform data manipulation or other operations. Functions in Visual FoxPro perform operations on data and return results with a specific type. You can also create procedures and functions to store code that performs frequently or commonly used routines in your programs.

In This Section

User-Defined Procedures and Functions: Introduces procedures and functions that you can define and create in Visual FoxPro.

Parameters in Procedures and Functions: Describes how data passes to procedures and functions for processing.

How to: Create Procedures and Functions: Explains how to create procedures and functions.

How to: Call Procedures and Functions: Explains how to call native functions as well as user-defined functions and procedures.

Verifying Data Passed to Procedures and Functions: Describes ways to verify that correct data passes to procedures and functions.

Returning Data from Procedures and Functions: Describes how to return data from procedures and functions.

Reference

Functions: Lists functions available in Visual FoxPro.

Related Sections

Passing Data to Parameters: Describes how data passes to parameters by reference or by value.

Working with Programs: Introduces how to create and work with Visual FoxPro programs.

Programming in Visual FoxPro: Describes aspects of programming, such as basic programming concepts, working with programs, object-oriented programming, and optimizing applications, in Visual FoxPro.