How to pass Exceptions array to Attribute
I am creating Attribute where I need to pass array of Exceptions, how to do that?
Let's say
[assembly: MyAttribute(ExceptionList = [System.Web.HttpException, System.Threading.Threa开发者_JAVA百科dAbortException]);
If you want to pass exception types then you can use typeof
:
[assembly: MyAttribute(ExceptionList = [typeof(System.Web.HttpException), typeof(System.Threading.ThreadAbortException]));
If you want to pass exception objects, it is not possible. Arguments to attribute constructors can only be constant values (or expressions of a couple of types for which a special exception is made).
You need to pass a list of types rather than Exceptions. This should get you started
[AttributeUsage(AttributeTargets.All, Inherited = false, AllowMultiple = true)]
sealed class MyAttribute : Attribute {
public MyAttribute(Type[] exceptionList) {
}
}
[MyAttribute(new Type[] { typeof(ArgumentException), typeof(OtherException) } )]
class Test {
...
}
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