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Home/ Questions/Q 420473
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Editorial Team
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Editorial Team
Asked: May 12, 20262026-05-12T18:52:49+00:00 2026-05-12T18:52:49+00:00

The following code works, but I can’t figure out what’s going on memory-wise. Where

  • 0

The following code works, but I can’t figure out what’s going on memory-wise. Where and how is the struct value t copied?

interface ITest { void Hello(); }    

struct STest : ITest
{
    public void Hello() { Console.WriteLine("Hello"); }
}

static ITest Make()
{
    STest t = new STest();
    return t;
}

static void Main(string[] args)
{
    ITest it = Make();
    it.Hello();
}
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  1. Editorial Team
    Editorial Team
    2026-05-12T18:52:49+00:00Added an answer on May 12, 2026 at 6:52 pm

    When you cast the struct to an interface, it boxes the struct if that is what you are asking?
    http://blogs.msdn.com/abhinaba/archive/2005/10/05/477238.aspx

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