resolveass.cs

string assPath = Assembly.GetExecutingAssembly().Location;
string? dirPath = Path.GetDirectoryName(Path.GetFullPath(assPath)) ?? null;
AppDomain.CurrentDomain.AssemblyResolve += (sender, args) =>
{
    var assemblyName = new AssemblyName(args.Name);
    if (!string.IsNullOrEmpty(dirPath))
    {
        var assemblyPath = Path.Combine(dirPath, assemblyName.Name + ".dll");
        if (File.Exists(assemblyPath) == false) return null;
        var assembly = Assembly.LoadFrom(assemblyPath);
        return assembly;
    }
    return null;
};