This guide assumes that you have working knowledge of the C# programming language, and does not attempt to duplicate or replace the abundance of documentation available on this programming language or Microsoft Visual Studio. If you need more information on using the C# programming language and Microsoft Visual Studio, see the Help system for Microsoft Visual Studio developed by Microsoft, available from the Help menu in Microsoft Visual Studio.
Note: While VB.NET is a supported programming language with the AutoCAD .NET API, it is recommended to learn and use C# as it is more prevalent in the industry. If you are currently using or want to use VB.NET or another .NET programming language, you can convert the C# code samples in this guide using an online code translator or AI agent. To find an online code translator, search on the phrase "C# to VB.NET translator" or the programming language into which you want to convert the C# code samples.