Back to Blog
February 18, 2026 min readvisual objects migration transforming

Visual Objects Migration: Transforming 32-bit Apps into React Micro-services

R
Replay Team
Developer Advocates

Visual Objects Migration: Transforming 32-bit Apps into React Micro-services

Your CA-Visual Objects (VO) application is a ticking time bomb. While it may have powered your core business logic for three decades, the 32-bit architecture is now a prison. It cannot scale, it cannot integrate with modern cloud-native ecosystems, and finding developers who can maintain VO’s unique dialect of xBase is becoming an impossible—and expensive—task.

The traditional approach to visual objects migration transforming these monoliths involves a "Big Bang" rewrite. History tells us this is a recipe for disaster. According to Replay’s analysis, 70% of legacy rewrites fail or significantly exceed their original timelines. When you are dealing with $3.6 trillion in global technical debt, you cannot afford to guess. You need a deterministic way to extract business value from the UI without getting lost in 30-year-old spaghetti code.

TL;DR: Migrating from CA-Visual Objects to React doesn't require a manual rewrite of every line of code. By using Replay, enterprises can utilize Visual Reverse Engineering to convert recorded user workflows into documented React components and micro-services. This reduces the migration timeline from 18 months to a matter of weeks, saving 70% in labor costs and eliminating the risks associated with undocumented legacy systems.


The 32-Bit Ceiling: Why Visual Objects Migration Transforming is Non-Negotiable#

Visual Objects was a pioneer in its time, offering an object-oriented approach to database management. However, the world has moved on to distributed systems, 64-bit memory addressing, and web-standard interfaces. Industry experts recommend that any system still relying on 32-bit runtime environments should be prioritized for modernization to avoid "hardware lock-in" and security vulnerabilities that modern OS kernels can no longer patch.

The core problem isn't just the language; it's the lack of documentation. 67% of legacy systems lack up-to-date documentation, making manual discovery a nightmare. When you begin a visual objects migration transforming project, you aren't just changing code; you are trying to rediscover business rules buried in layers of inherited classes and event loops.

Video-to-code is the process of using screen recordings of a legacy application to automatically generate functional, documented UI components and state logic in a modern framework like React.

By capturing the application in motion, Replay bypasses the need to read the original source code, focusing instead on the "source of truth": how the user actually interacts with the system.


The Economics of Modernization: Manual vs. Replay#

The math of manual migration is brutal. A typical enterprise-grade Visual Objects screen—complete with data validation, grid views, and complex event handling—takes an average of 40 hours to manually document, design, and code in React.

MetricManual MigrationReplay Visual Reverse Engineering
Time per Screen40 Hours4 Hours
DocumentationManual / Often SkippedAutomated Flow Mapping
Risk of Logic ErrorHigh (Human Error)Low (Visual Truth)
Average Timeline18-24 Months2-4 Months
Cost Savings0%70%
Tech Debt CreationHigh (New manual bugs)Low (Standardized Design System)

For a system with 100 screens, a manual visual objects migration transforming effort would cost approximately 4,000 man-hours. With Replay, that drops to 400 hours. In regulated industries like Financial Services or Healthcare, these savings aren't just about budget—they are about compliance and speed to market.


Technical Deep Dive: From xBase Logic to React Hooks#

Visual Objects relies heavily on the

text
App
and
text
Window
classes, often tightly coupling the UI to the DBF or SQL backend. To move to a micro-services architecture, we must decouple these layers.

The Old Way: Visual Objects Event Logic#

In VO, your logic might look like this, buried in a

text
PushButton:Execute
method:

xbase
METHOD PushButton1(oEvent) CLASS MyDataWindow LOCAL oServer AS DbServer oServer := self:Server IF oServer:FieldGet(#STATUS) == "ACTIVE" oServer:FieldPut(#STATUS, "INACTIVE") oServer:Commit() IF !oServer:Error == 0 TextBox{self, "Error", "Update Failed"}:Show() ENDIF ENDIF RETURN NIL

This code is problematic because it mixes UI state, business logic, and database persistence in a single method.

The New Way: React and Micro-services#

When Replay processes a recording of this interaction, it identifies the state change and generates a clean React component. The visual objects migration transforming process extracts the intent of the button click and maps it to a modern API call.

typescript
// Generated by Replay AI Automation Suite import React, { useState } from 'react'; import { useStatusUpdate } from '../hooks/useStatusUpdate'; import { Button, Alert, Card } from '@your-org/design-system'; export const StatusToggle: React.FC<{ initialStatus: string; id: string }> = ({ initialStatus, id }) => { const [status, setStatus] = useState(initialStatus); const { updateStatus, loading, error } = useStatusUpdate(); const handleToggle = async () => { const newStatus = status === 'ACTIVE' ? 'INACTIVE' : 'ACTIVE'; const success = await updateStatus(id, newStatus); if (success) { setStatus(newStatus); } }; return ( <Card title="Record Management"> <div className="flex items-center gap-4"> <span>Current Status: {status}</span> <Button onClick={handleToggle} disabled={loading} variant={status === 'ACTIVE' ? 'danger' : 'primary'} > {status === 'ACTIVE' ? 'Deactivate' : 'Activate'} </Button> </div> {error && <Alert type="error" message="Update Failed" />} </Card> ); };

By transforming the monolithic VO method into a functional React component, you gain the ability to unit test the logic, apply a global Design System via Replay's Library feature, and connect to a secure REST or GraphQL micro-service.


The Replay Workflow: Visual Objects Migration Transforming in 4 Steps#

To achieve a successful visual objects migration transforming your legacy stack, Replay follows a structured "Capture-to-Code" pipeline.

1. Recording Workflows (The Capture)#

Instead of hiring consultants to interview users for months, you simply record the users performing their daily tasks in the Visual Objects app. Replay’s engine captures every state change, pixel movement, and data entry point.

2. Flow Mapping (The Architecture)#

Replay’s Flows feature takes these recordings and generates architectural diagrams. It identifies common patterns across the application. For instance, if 50 different VO windows use the same "Customer Search" logic, Replay identifies this as a single reusable component. This prevents the "copy-paste" technical debt that plagues 67% of legacy systems.

3. Component Extraction (The Library)#

The Library is where your Design System is born. Replay analyzes the visual elements of the VO app and maps them to modern React components. If you have an existing design system in Figma, Replay can align the generated code to your brand guidelines automatically.

4. Blueprint Refinement (The Editor)#

Within the Blueprints editor, developers can fine-tune the generated TypeScript. They can define how the React frontend communicates with the new micro-services layer. This is where you replace old DBF file access with modern API fetches.

Learn more about automated component extraction


Overcoming the "Documentation Gap"#

The biggest hurdle in visual objects migration transforming projects is the "hidden logic"—the thousands of lines of code written by a developer who retired in 2012. Manual discovery is not only slow; it's inaccurate.

According to Replay's analysis, manual documentation attempts miss approximately 30% of edge-case business rules. Visual Reverse Engineering eliminates this gap. Because Replay records the actual execution of the program, it captures exactly how the software behaves, not just how the documentation (if it exists) says it should behave.

Flows are visual representations of user journeys within a legacy application, used to map out the transition from a monolithic UI to a micro-service-based React architecture.


Why Micro-services?#

A visual objects migration transforming your app into a single React SPA (Single Page Application) is only half the battle. To truly modernize, the backend must be decoupled. Visual Objects apps are often "fat clients" where the logic sits on the user's machine.

By moving to micro-services, you gain:

  • Independent Scalability: Scale the "Reporting" service without scaling the "Data Entry" service.
  • Polyglot Development: Write new services in Node.js, Go, or Python while the UI remains consistent in React.
  • Resilience: If one service fails, the entire application doesn't crash—a common problem with VO's linked DLLs.

Example: Transforming a VO Data Server into a Node.js Micro-service#

In VO, data access is often handled by a

text
DbServer
. In a modernized architecture, this becomes a protected endpoint.

typescript
// Modernized Micro-service Endpoint (Node.js/Express) import { Router } from 'express'; import { RecordService } from '../services/RecordService'; import { validateAuth } from '../middleware/auth'; const router = Router(); router.patch('/records/:id/status', validateAuth, async (req, res) => { try { const { id } = req.params; const { status } = req.body; const updatedRecord = await RecordService.updateStatus(id, status); return res.status(200).json({ success: true, data: updatedRecord }); } catch (error) { return res.status(500).json({ success: false, message: 'Internal Server Error', error: error.message }); } }); export default router;

Strategic Benefits for Regulated Industries#

For sectors like Insurance or Government, visual objects migration transforming is a matter of security. 32-bit applications often lack support for modern TLS standards, OAuth2, and multi-factor authentication (MFA).

Replay is built for these environments. With SOC2 and HIPAA-ready status, and the option for On-Premise deployment, enterprise architects can modernize their most sensitive Visual Objects applications without their data ever leaving their secure perimeter.

Comparison of Security Postures#

FeatureLegacy Visual ObjectsModernized React/Micro-services
AuthenticationLocal/Windows Auth (Weak)OAuth2 / OIDC / MFA
Data EncryptionOften Plaintext DBFAES-256 at rest / TLS 1.3 in transit
Audit LoggingMinimal / ManualAutomated via Middleware
Patch ManagementRequires full recompilationCI/CD Green-Blue Deployments

Implementing the Migration with Replay#

To begin your visual objects migration transforming journey, follow this implementation roadmap:

  1. Audit the Portfolio: Identify which VO modules are mission-critical. Use Replay to record the most frequent workflows.
  2. Define the Design System: Use Replay’s Library to establish the React components that will replace the VO GUI classes.
  3. Generate the Blueprints: Convert recordings into TypeScript code blocks.
  4. Integrate Micro-services: Connect the new React UI to your modernized API gateway.
  5. Validate and Pilot: Run the new React micro-service alongside the legacy VO app to ensure data parity.

Read about our Legacy Modernization Strategies


Frequently Asked Questions#

Can Replay handle custom Visual Objects GUI classes?#

Yes. Replay’s Visual Reverse Engineering engine does not rely on standard Windows control IDs. It uses computer vision and event interception to understand how custom VO components behave, allowing it to recreate them as modern React components regardless of how they were originally coded.

How does the 70% time savings calculation work?#

The savings are realized across three phases: Discovery, Development, and Testing. By automating the documentation (Discovery) and the initial UI scaffolding (Development), and providing a visual "source of truth" for QA (Testing), Replay reduces the manual labor required at every stage of the visual objects migration transforming lifecycle.

Does Replay require access to my original VO source code?#

No. Replay operates on the visual and functional layer. While having source code can be helpful for backend logic, the UI and workflow extraction are done via screen recordings of the running application. This is ideal for organizations that have lost their original source code or are dealing with heavily obfuscated binaries.

Is the generated React code maintainable?#

Absolutely. Unlike "black-box" transpilers, Replay generates clean, human-readable TypeScript. It follows modern best practices, including component modularization, prop-typing, and separation of concerns. The code belongs to you, and it is designed to be maintained by any standard React development team.

Can we migrate to frameworks other than React?#

While Replay is optimized for React and the modern JavaScript ecosystem, the underlying Blueprints and architectural maps can be used to inform migrations to Angular, Vue, or even native mobile frameworks. However, React is the industry standard for micro-frontend architectures.


The Path Forward#

The "wait and see" approach to legacy software is no longer viable. With the global technical debt reaching $3.6 trillion, the cost of inaction is higher than the cost of modernization. Visual objects migration transforming your 32-bit applications into React micro-services is the only way to ensure your enterprise remains competitive, secure, and scalable.

By leveraging Replay, you turn a high-risk 18-month project into a streamlined, automated process. You save 70% of your time, preserve your business logic, and finally break free from the limitations of the 32-bit era.

Ready to modernize without rewriting? Book a pilot with Replay

Ready to try Replay?

Transform any video recording into working code with AI-powered behavior reconstruction.

Launch Replay Free