//This code will be executed to create a decorator, not in nominal execution flow (You don't have to stress with performance here)
override protected IEnumerable <Advice <T> > Advise <T>(MethodInfo method)
{
var myattribute1 = method.GetCustomAttributes(typeof(MyAttribute1), true).Cast <MyAttribute1>().SingleOrDefault();
//If attribute is not defined, do not return an "advice"
if (myattribute1 == null)
{
yield break;
}
//Get your attribute property.
var myattributevalue = myattribute1.MyAttributeValue;
//define your substitute method
var signature = new Type[] { method.DeclaringType }.Concat(method.GetParameters().Select(parameter => parameter.Type)).ToArray();
var dynamicMethod = new DynamicMethod(string.Empty, method.ReturnType, signature, method.DeclaringType, true);
var body = dynamicMethod.GetILGenerator();
//TODO : emit your code! maybe use your attribute field value to know what kind of replacement you want to do...
body.Emit(OpCodes.Ret);
//define the replacement
yield return(Advice <T> .Create(dynamicMethod));
}
