We have successfully converted a huge system for Swiss social authorities providing the functionality of children sponsorship management. Originally it was a Windows forms VB6 application and the destination platform was the latest .NET 4.0 framework.

One of the requirements that we also achieved was to make it run on the 64-bit platform. During that work we removed all obsolete references to ActiveX controls like old calendars, grids etc. and avoided .NET native controls usage. Also, we changed application architecture to 3-tiers and use ADO.NET instead of raw ADODB.

To successfully convert VB6 to C#, we performed: 

  • Visual Basic 6.0 conversion
  • Visual Basic 6 refactoring
  • Reverse engineering
  • Modern approaches applied (object oriented, three-tier, modern database, and business logics layers approach)
  • Highest grade meaningful variable naming
  • Manual optimization and understanding, knowledge transfer
  • Meaningful comments

If delaying VB6 convert to C#, businesses risk:

  • Security vulnerabilities
  • Compatibility issues
  • Limited support
  • Deteriorated performance
  • Limited scalability
  • Costly maintenance, and more

Converting VB to C#

VB6 to C# migration offers several business benefits:

  • Enhanced security – when deciding to convert Visual Basic to C#, business leaders might leverage more robust security measures, which protect the application and information being processes from threats and vulnerabilities associated with VB6 IDE Windows 11, 10, 8/8.1, and 7
  • Cross-platform compatibility – when managing to convert Visual Basic to C#, strategic leaders can run the application across platforms, including Windows, Linux, macOS
  • Greater performance – when organizations migrate VB6 to .NET or C#, they receive more efficient business tools, eventually increasing customer satisfaction and loyalty
  • Easier maintenance – when companies upgrade VB6 to VB.NET and C#, they enjoy straightforward maintenance and debugging, saving time and cost
  • Integration capabilities – migrated from Microsoft Visual Studio 6.0, the application can be smoothly integrated with other MS technologies, third-party services, and databases
  • Regulatory compliance – converted from Microsoft VB, the team can access modern tools and features that help to meet industry-specific compliance more easily

But how to convert VB6 to VB.NET and C# successfully?

Approach professionals possessing expertise in both programming languages and migration.

Moving VB6 to .NET

Another strategy, VB6 to .NET migration, provides for:

  • Software modernization – VB6 to .NET migration provides access to the latest technologies which ensures higher competitiveness and relevance in a changing market
  • Skilled workforce – VB6 to .NET conversion provides more recruitment options, as the modern framework has a larger community if compared to the legacy language
  • Enhanced security – both .NET and C# provide robust security features, helping protect your application
  • Cross-platform compatibility – with .NET, your application can be run on multiple platforms, increasing reach and accessibility
  • Long-term support – VB to .NET migration is beneficial in terms of enjoying long-term support, which means the software remains up-to-date and secure
  • Easier maintenance – VB6 migration to .NET also ensures the software is uncomplicated to maintain and debug, which minimize the effort typically required for maintenance and support

But what is the best suited VB6 to .NET migration strategy today?

Partner with tech professionals to delegate complex processes and focus on your core objectives.


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