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.NET Forum / Languages / C# / February 2008

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Problem with Method Reflection Linq Query

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eric - 19 Feb 2008 19:30 GMT
I've created a class that is comprised mostly of functions.  Some of the
functions in the class have a custom attribute class defined.  The
constructor of this attribute class takes a single argument unique to each
function.  I'm trying to create a Linq query that will 1) only look at the
functions with this custom attribute defined and 2) return the function that
is defined with custom attribute class that contains a value I'm looking for

var qry = from method in type.GetMethods()
                           where method.MethodAttributes

The above is what I've started with but I'm not sure where to take it from
here.

TIA
.
Jon Skeet [C# MVP] - 19 Feb 2008 19:46 GMT
> I've created a class that is comprised mostly of functions.  Some of the
> functions in the class have a custom attribute class defined.  The
[quoted text clipped - 8 lines]
> The above is what I've started with but I'm not sure where to take it from
> here.

var query = from method in type.GetMethod()
           from MyAttribute attr in
                method.GetCustomAttributes(typeof(MyAttribute), false)
           where attr.Whatever == "My value"
           select method;

Untested, but it should work :)

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Jon Skeet - <skeet@pobox.com>
http://www.pobox.com/~skeet   Blog: http://www.msmvps.com/jon.skeet
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eric - 19 Feb 2008 20:12 GMT
Thank you much.

>> I've created a class that is comprised mostly of functions.  Some of the
>> functions in the class have a custom attribute class defined.  The
[quoted text clipped - 21 lines]
>
> Untested, but it should work :)

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