using System.Reflection;

public static unsafe void Main()
{
    JSMarshalerArgumentImpl arg;
    arg.Int32Value = 42;
    TestCpy1(&arg);

    var boxedLegacyArgs = Pointer.Box((void*)&arg, typeof(JSMarshalerArgumentImpl*));
    Console.WriteLine("Boxed " + (IntPtr)Pointer.Unbox(boxedLegacyArgs));

    var mi = typeof(Test).GetMethod("TestCpy1", BindingFlags.Public | BindingFlags.Static);
    
    mi.Invoke(null, new object[] { boxedLegacyArgs });
}

public static unsafe void TestCpy1(JSMarshalerArgumentImpl* arg)
{
    Console.WriteLine("TestCpy1 ptr " + (IntPtr)arg);
    Console.WriteLine("TestCpy1 " + arg->Int32Value);
}

public struct JSMarshalerArgumentImpl
{
    public int Int32Value;
}