Attribute.GetCustomAttribute Method (MemberInfo, Type)
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Retrieves a custom attribute applied to a member of a type. Parameters specify the member, and the type of the custom attribute to search for.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- element
- Type: System.Reflection.MemberInfo
An object derived from the MemberInfo class that describes a constructor, event, field, method, or property member of a class.
- attributeType
- Type: System.Type
The type, or a base type, of the custom attribute to search for.
Return Value
Type: System.AttributeA reference to the single custom attribute of type attributeType that is applied to element, or null if there is no such attribute.
| Exception | Condition |
|---|---|
| ArgumentNullException | element or attributeType is null. |
| ArgumentException | attributeType is not derived from Attribute. |
| NotSupportedException | element is not a constructor, method, property, event, type, or field. |
| AmbiguousMatchException | More than one of the requested attributes was found. |
| TypeLoadException | A custom attribute type cannot be loaded. |
A match is determined in the same way described in the Return Value section of Type.IsAssignableFrom.