: Full support for migrating projects to these modern, high-performance runtimes. C# or VB.NET
This article explores the significance of Visual Basic Upgrade Companion 9.3, detailing its technical capabilities, its impact on the migration lifecycle, and why it remains a touchstone for modernization projects today. visual basic upgrade companion 9.3
Existing customers with version 9.x can upgrade to 9.3 at a reduced cost. The upgrade is recommended for anyone targeting .NET 8 or who struggled with previous versions’ COM interop. : Full support for migrating projects to these
| Pitfall | VB6 Legacy Issue | VBUC 9.3 Mitigation | | :--- | :--- | :--- | | | Using default form instances (e.g., Form1.Show ). | Automatically refactors to explicit instance creation ( new Form1().Show() ). | | Control array confusion | Dynamically loaded TextBox arrays. | Converts to List<TextBox> with event handlers dynamically attached. | | Variant performance | Over-reliance on Variant data type. | Replaces with object or specific types with compiler hints for unboxing. | | Error handling (On Error GoTo) | Legacy unstructured error handling. | Converts to try-catch-finally blocks, with error labels mapped to exception filters. | The upgrade is recommended for anyone targeting
: Improved the "OCX Generator" to better handle unknown 3rd party controls by attempting to generate as many properties as possible and storing them as resources in .resx files.