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c#.netreflectionjson.net
JohanP
JohanP

Reputation: 5472

Custom Attribute reflection on property

I have this basic class with one custom Attribute

public class Foo
{
    [MyAttribute]
    public DateTime CurrentDate {get;set;}
}

I'm using reflection to see if CurrentDate has a MyAttribute on it.

I create a new instance of Foo:

var foo = new Foo();

I reflect on foo:

foo.GetType().GetProperty("CurrentDate").GetCustomAttributes(true);

this gives me my custom attributes.

However, if I reflect like this:

foo.CurrentDate.GetType().GetCustomAttributes(true);

it returns what seems to be native attributes and mine is not in there.

So my question is, why is it doing that?

Upvotes: 0

Views: 537

Answers (1)

StriplingWarrior
StriplingWarrior

Reputation: 156524

foo.CurrentDate.GetType() will return typeof(DateTime). That's because foo.CurrentDate is declared as a DateTime. GetType() returns information about the type of the value you give it, not information about the property that the value came from.

Do you mean to do something like foo.GetType().GetProperty(nameof(foo.CurrentDate)).GetCustomAttributes()?

Upvotes: 3

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