ModuleDefMD md = ModuleDefMD.Load("x.exe");
            foreach (var type in md.Types)
            {
                foreach (var method in type.Methods)
                {
                    foreach (var instruction in method.Body.Instructions)
                    {
                        if (instruction.OpCode == OpCodes.Call && instruction.Operand.ToString().Contains("::MethodName"))
                        {
                            Console.WriteLine("Found: " + method.Name);
                        }
                    }
                }

                foreach (var nestedType in type.NestedTypes)
                {
                    foreach (var method in nestedType.Methods)
                    {
                        foreach (var instruction in method.Body.Instructions)
                        {
                            if (instruction.OpCode == OpCodes.Call && instruction.Operand.ToString().Contains("::MethodName"))
                            {
                                Console.WriteLine("Found: " + method.Name);
                            }
                        }
                    }
                }

            }