VFP uses standard logic structures, but its error handling is particularly robust with TRY...CATCH blocks introduced in later versions (VFP 8 and 9).
At its core, VFP is a relational database management system. Handling tables (DBFs) is the first step in any VFP project.
Control structures determine the flow of a program's execution. Visual FoxPro supports IF-ENDIF, DO WHILE-ENDDO, and FOR-NEXT control structures. visual foxpro programming examples pdf
Visual FoxPro is fully object-oriented. You can visually design forms or write completely programmatic classes to handle business logic, data validation, and API integrations. Defining a Custom Business Logic Class
* SearchForm.prg PUBLIC oForm oForm = CREATEOBJECT("SearchForm") oForm.SHOW VFP uses standard logic structures, but its error
To make your applications robust, you need to handle errors gracefully. The ON ERROR command is a simple solution.
TRY BEGIN TRANSACTION INSERT INTO Orders (CustID, OrderDate, Total) VALUES (1, DATETIME(), 200.00) * simulate error IF .T. THROW "SimulatedError" ENDIF END TRANSACTION CATCH TO loEx ROLLBACK MESSAGEBOX("Error: " + loEx.Message) ENDTRY Control structures determine the flow of a program's
If running code inside the VFP IDE, use the built-in report listener engine. Run REPORT FORM myDesign TO PRINTER PROMPT and select a virtual PDF printer driver (e.g., Microsoft Print to PDF, CutePDF).
* This is a comment line LOCAL lcName, lnAge, ldJoined, llActive lcName = "John Doe" && Character type lnAge = 42 && Numeric type ldJoined = ^2026-05-30 && Date type (Strict Date Format: YYYY-MM-DD) llActive = .T. && Logical type (True) Use code with caution. Conditional Logic and Loops
Press (Windows) or Cmd + P (Mac) inside your web browser.
While Visual FoxPro (VFP) was officially retired by Microsoft years ago, its legacy lives on in thousands of mission-critical business applications. If you are looking for , you are likely either maintaining a legacy system or trying to migrate one to a modern platform.