This repositiory contains the discontinued product dataFEED OPC Classic SDK from Softing. This product can be used to create OPC DA/AE Server and Client applications in C++, C# or Visual Basic .NET. The SDK supports the following OPC Specifications
You will find all related documentation here.
Everything you need to know for first steps are described in the chapter Programmer's Guide.
Furthermore you need the redistributables from the OPC Foundation to use your final application. They can be found here: https://opcfoundation.org/developer-tools/samples-and-tools-classic/core-components/
The dataFEED OPC Classic SDK has reached its end of life and is here made public for everyone without any warranty. Feel free to use it.