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c#interfacedatacontractdatamember

What does it mean to put DataMemberAttribute on interface member?

What does it mean to put a DataMemberAttribute on an interface member? How does this affect derived classes?

Solution

  • As shown in the following signature, the DataMember attribute is not inheritable

    [AttributeUsageAttribute(AttributeTargets.Property|AttributeTargets.Field, Inherited = false, 
    AllowMultiple = false)]
public sealed class DataMemberAttribute : Attribute

    Therefore, it makes very little sense to decorate interface members with this attribute as you will have to decorate the implementing classes' members with this attribute too.