The Importance of Legacy Software Migration: Ensuring Business Continuity with Softacom

For a lot of companies, legacy software is essential, but maintaining and updating these systems can be difficult. They frequently use antiquated technology, which makes integration and support for contemporary solutions challenging. This is where Softacom excels, providing expertise in migrating legacy systems to modern platforms. With their guidance, organizations can successfully navigate the WinForms to WPF migration process guide at Softacom, ensuring their software remains efficient and up-to-date.

Challenges of Legacy Software

Complexity and Size

Legacy applications are often large and complex. They may have hundreds of screens and millions of lines of code. This complexity makes migration a daunting task.

  • Hundreds of Screens: Mature business applications can have extensive user interfaces.
  • Millions of Lines of Code: These applications have been developed and refined over many years.

Knowledge and Experience

Migrating a legacy system requires deep knowledge of the existing application and its users. Without this, the migration process can fail.

  • In-House Knowledge: Developers must understand the existing system thoroughly.
  • User Expectations: Meeting user expectations is crucial for a successful migration.

Financial and Time Constraints

Migration projects often face budget and time constraints. Unrealistic estimates can lead to project failures.

  • Budget Limitations: Financial resources are often limited.
  • Time Estimates: Projects frequently take longer than initially expected.

The Case for Migration

Failed Projects

In 2022, a team of developers attempted to rewrite a complex Windows-based ERP system into a web application. After two years, only 5% of the application was available in the browser. This failure highlighted the challenges of such projects.

  • Project Delays: The project timeline tripled from the initial estimate.
  • Limited Progress: Only a small portion of the application was completed.

The Need for Modern Solutions

Modern users expect applications to be available across all platforms. Legacy systems must evolve to meet these expectations.

  • Cross-Platform Availability: Applications should be accessible from any device.
  • Competitive Advantage: Staying competitive requires modern, user-friendly applications.

Migration as an Alternative

Introducing Wisej.NET

Wisej.NET offers a framework for migrating Windows Forms (WinForms) and Windows Presentation Foundation (WPF) applications to web-based solutions. This approach can save time and resources compared to rewriting from scratch.

  • Framework Support: Wisej.NET supports various technologies like Visual Basic 6 and Microsoft Access.
  • Successful Migration: A project was modernized within 13 months using Wisej.NET, transforming a Windows-based solution into a cloud-based application.

How It Works

Migrating large applications to the web involves several considerations:

  • Global Variables: Managing variables and session isolation.
  • File and Registry Access: Handling Windows-specific functions.
  • State Management: Adapting to asynchronous browser environments.
  • Session Management: Supporting multiple users.
  • Platform Independence: Ensuring deployment on various platforms, including Linux.
  • Integrations: Managing integrations with external systems like Microsoft Office.

Key Technologies and Benefits

WinForms in the .NET Ecosystem

WinForms technology has been a core part of desktop applications since 2002. While it is stable, it is tied to the Windows OS, limiting its use in modern applications.

  • Mature Technology: Stable and reliable on Windows.
  • Limited Evolution: Microsoft does not plan to evolve WinForms significantly.

.NET Core Benefits

Migrating to .NET Core offers several advantages for modern development.

  • Cross-Platform Support: Applications can run on various operating systems.
  • Command-Line Tools: Effective development tools.
  • Open-Source Development: Community contributions and improvements.
  • Device Availability: Accessible across different devices.

Challenges in Migration

Disparity of Technologies

Porting desktop applications to .NET Core requires significant manual effort due to different architectures and tools.

  • Manual Efforts: Substantial work needed to achieve desired outcomes.
  • Rewriting Legacy Parts: Often, rewriting from scratch is more beneficial.

Data Integration

Consolidating data from different systems is a challenging task.

  • Data Duplicates: Eliminating duplicates and siloes.
  • Data Consolidation: Standardizing raw data.

Restoring Core Functionality

Ensuring that the new system extends the functionality of the legacy application is crucial.

  • Incomplete Documentation: Filling gaps in documentation.
  • UI/UX Alignment: Aligning design patterns with the new style.
  • Business Continuity: Avoiding disruptions during migration.


The switch from WinForms to WPF is a radical experience. It has enormous potential to improve desktop apps. Developers may create contemporary, aesthetically pleasing apps by utilizing WPF’s sophisticated graphical features, data binding, and user interface capabilities. A successful and smooth migration can be ensured by meticulous planning, following best practices, and taking a step-by-step approach, even though the process may involve certain difficulties. 

The usage of WPF gives developers a strong toolkit for producing creative, user-focused apps in the quick-paced world of technology. The switch from WinForms to WPF paves the way for a future of cutting-edge desktop apps that provide users with engaging and enjoyable experiences as the software development landscape continues to change. Speak with Softacom, a legacy software modernization provider, before deciding to migrate from Winforms to WPF to streamline the process.

Businesses can maintain continuity and maintain their competitiveness in a fast-evolving technology landscape by concentrating on these factors.