Microsoft .NET 4.5
.net programming visual studio ide .net 4.5
Using .NET applicationsCMS IntelliCAD supports the .NET 4.5 programming language through.NET Classic that more closely matches the .NET interface used by AutoCAD.
The .NET Framework is a development platform for building apps. It consists of the common language runtime (CLR) and the .NET Framework class library, which includes classes, interfaces, and value types that support an extensive range of technologies. The .NET Framework provides a managed execution environment, simplified development and deployment, and integration with a variety of programming languages - source Microsoft. [Get Microsoft Visual Studio]. [.Net Framework information on Wikipedia]