Owin.Builder.AppBuilder.ToMemberDelegate C# (CSharp) Method

        private static Delegate ToMemberDelegate(Type signature, object app)
        {
            MethodInfo signatureMethod = signature.GetMethod(Constants.Invoke);
            ParameterInfo[] signatureParameters = signatureMethod.GetParameters();

            MethodInfo[] methods = app.GetType().GetMethods();
            foreach (MethodInfo method in methods)
            {
                if (method.Name != Constants.Invoke)
                {
                    continue;
                }
                ParameterInfo[] methodParameters = method.GetParameters();
                if (methodParameters.Length != signatureParameters.Length)
                {
                    continue;
                }
                if (methodParameters
                    .Zip(signatureParameters, (methodParameter, signatureParameter) => methodParameter.ParameterType.IsAssignableFrom(signatureParameter.ParameterType))
                    .Any(compatible => compatible == false))
                {
                    continue;
                }
                if (!signatureMethod.ReturnType.IsAssignableFrom(method.ReturnType))
                {
                    continue;
                }
                return Delegate.CreateDelegate(signature, app, method);
            }
            return null;
        }