WebJul 2, 2010 · KnownTypeAttributeは基本クラスに適用され、基本への参照として渡される可能性のあるすべての派生クラスに名前を付けます。 例えば： KnownType(typeof(POBoxAddress)) KnownType(typeof(StreetAddress)) KnownType(typeof(SingleLineAddress)) KnownType(typeof(ParsedAddress)) public … Web[ KnownType ( typeof ( ProgramName ))] public abstract class BaseDataType { } Then created a class that contains BaseDataType as given DynamicData below or you can direct return BaseDataType from your operation contract. [ DataContract] [ Serializable] public class DynamicData { public IList < BaseDataType > Data { get ; set; } }

C# : When is it appropriate to use the KnownType attribute?

WebOct 16, 2013 · From my experience working with the DataContractSerializer and the XmlSerializer, when an unexpected type is met during serialization process, those … WebDec 9, 2024 · C# [JsonPolymorphic (TypeDiscriminatorPropertyName = "$discriminator")] [JsonDerivedType (typeof (ThreeDimensionalPoint), typeDiscriminator: "3d")] public class BasePoint { public int X { get; set; } public int Y { get; set; } } public sealed class ThreeDimensionalPoint : BasePoint { public int Z { get; set; } } thilo pascher

C# : Why KnownTypeAttribute need in WCF - YouTube

WebSep 12, 2024 · According to MSDN the KnownTypeAttribute class allows you to specify, in advance, the types that should be included for consideration during deserialization. The … WebSpecifies types that should be recognized by the DataContractSerializer when serializing or deserializing a given type. C#. [System.AttributeUsage (System.AttributeTargets.Class … WebMar 4, 2014 · Using Globally (Using Code at base type) In order to use globally, we can apply KnownTypeAttribute at base Data Contract type as used in the following example: C#. [KnownType (typeof (Car))] [KnownType ( typeof (Truck))] [DataContract] public class Vehicle { } [DataContract] public class Car : Vehicle { } [DataContract] public class Truck ... saint margaret mary school