Create a shim DLL that implements the same interface but passes calls to a modern REST service.
: Acting as a wrapper for the lower-level VISA C API, it makes instrument control more accessible in object-oriented environments like Visual Basic 6.0, VBA (Excel), and .NET. visa com 5.12 type library download
Most likely, the file already exists in: Create a shim DLL that implements the same
Visa no longer actively distributes this library publicly. New development should use Visa Developer Center APIs (REST/JSON). However, millions of lines of production code still reference VisaCOM5_12.tlb . New development should use Visa Developer Center APIs
If you are building a new payment integration, . Modern standards require 3-D Secure 2.x (EMVCo), APIs, and SDKs — not COM type libraries from the early 2000s.
Before diving into the download specifics, it is essential to understand what VISA COM is and how it differs from standard VISA.
If you need this file, you must obtain it from: