using System;
using System.Reflection;
public class TestClass
{
[Obsolete("This method is obsolete. ")]
public void Method1()
{}
}
public class DemoClass
{
static void Main(string[] args)
{
Type clsType = typeof(TestClass);
MethodInfo mInfo = clsType.GetMethod("Method1");
bool isDef = Attribute.IsDefined(mInfo, typeof(ObsoleteAttribute));
if (isDef)
{
ObsoleteAttribute obsAttr = (ObsoleteAttribute)Attribute.GetCustomAttribute( mInfo, typeof(ObsoleteAttribute));
if (obsAttr != null)
Console.WriteLine("The message is: \"{0}\".",
obsAttr.Message);
}
}
}