OpenFileDialog obj = new OpenFileDialog();if (obj.ShowDialog() == System.Windows.Forms.DialogResult.OK){    Assembly ass = Assembly.LoadFrom(obj.FileName);    foreach(var type in ass.GetTypes())    {        MethodInfo[] members = type.GetMethods(BindingFlags.Public | BindingFlags.Instance);        foreach (MemberInfo member in members)        {            Console.WriteLine(type.Name + "." + member.Name);        }    }}

MethodBase method = MethodBase.GetCurrentMethod();MyAttribute attr = (MyAttribute)method.GetCustomAttributes(typeof(MyAttribute), true)[0] ;string value = http://www.mamicode.com/attr.Value;    //Assumes that MyAttribute has a property called ValueYou can also get the MethodBase manually, like this: (This will be faster)MethodBase method = typeof(MyClass).GetMethod("MyMethod");

[MyAttribute("Hello World")]public int MyMethod(){var myAttribute = GetType().GetMethod("MyMethod").GetCustomAttributes(true).OfType<MyAttribute>().FirstOrDefault();}