Question

These namespaces are added per default when a class is created:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

I want to modify existing projects or my custom project template so that additional usings are added when a new class is created.

(Instead of having to add them manually for every class. Sure, “CTRL + .” works to add namespaces for classes, but it do not work for extension methods.)

Answer 1

Go to %ProgramFiles\Microsoft Visual Studio 10.0\Common7\IDE\ItemTemplatesCache\CSharp\Code\1033\Class.zip\ and edit Class1.cs and other files by analogy.

Also see %ProgramFiles\Microsoft Visual Studio 10.0\Common7\IDE\ProjectTemplatesCache\..

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I understand your question. You want the same behavior as Visual Basic project properties – Imports brings.

For C# – this is not possible.