The expressions you can build give you full access to the power of manipulating data in Visual FoxPro. You can extend the power with user-defined functions, manipulate fields, records and arrays, use classes and objects, and manipulate null values.
| To use | See |
| Arrays | Working with Arrays |
| Classes | Working with Classes and Objects |
| Fields | Working with Fields and Records |
| Null Values | Handling Null Values |
| Objects | Working with Classes and Objects |
| Records | Working with Fields and Records |
| User-defined functions | Working with User-Defined Functions |