Vs2010schemas

: VS 2010 schemas are designed to support different versions of the .NET Framework, adjusting the available IntelliSense based on whether the project targets .NET 2.0, 3.5, or 4.0. Managing Schemas in Visual Studio 2010

The "vs2010schemas" refers to the schema files used in Microsoft Visual Studio 2010. These schema files define the structure and organization of the data used in Visual Studio projects, solutions, and other related files. vs2010schemas

If you set VSIXExtension in VS2010, a custom schema validated your .vsixmanifest . Break the schema, and the extension wouldn’t build. That strictness saved countless broken extensions. : VS 2010 schemas are designed to support