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Asked: 2026-05-17T15:39:57+00:00

I am updating some old c++ code and am finding that many of the

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I am updating some old c++ code and am finding that many of the classes are defined as:

public __gc class NameOfClass{  }

I found a little bit of information about __gc here, but it seems to only come up with information for VS 2003. The MSDN documentation that came with my copy of VS 2005 indicates that __gc may not be in use anymore.

I’m a C# guy myself, so I want to make sure I don’t make a mistake when updating this code. Is garbage collecting automatic for c++ classes in .NET 2.0 and greater? Or has the __gc keyword been replaced in some way?

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1 Answer

  1. Editorial Team

    You are looking at C++ with managed extensions which was a brief and failed attempt to add clr functionality to cpp using some rather inventive syntax. I believe from 2005 onward c++ cli was fully supported which is a full implementation of the clr in C++. Take a look at this for migrating advice from m.

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