InMemoryAssemblyLoader.cs

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using System;
using System.Runtime.InteropServices;
using System.Runtime.Loader;
 
namespace Internal.Runtime.InteropServices;
 
public static class InMemoryAssemblyLoader
{
    private static bool IsSupported { get; } = InitializeIsSupported();
 
 
    private static bool InitializeIsSupported()
    {
        if (!AppContext.TryGetSwitch("System.Runtime.InteropServices.EnableCppCLIHostActivation", out var isEnabled))
        {
            return true;
        }
        return isEnabled;
    }
 
    public static void LoadInMemoryAssembly(IntPtr moduleHandle, IntPtr assemblyPath)
    {
        if (!IsSupported)
        {
            throw new NotSupportedException("This API is not enabled in trimmed scenarios. see https://aka.ms/dotnet-illink/nativehost for more details");
        }
        string text = Marshal.PtrToStringUni(assemblyPath);
        if (text == null)
        {
            throw new ArgumentOutOfRangeException("assemblyPath");
        }
        AssemblyLoadContext assemblyLoadContext = new IsolatedComponentLoadContext(text);
        assemblyLoadContext.LoadFromInMemoryModule(moduleHandle);
    }
}