DataContractResolver.TryResolveType Metódus

Definíció

Névtér:

System.Runtime.Serialization

Szerelvények:

netstandard.dll, System.Runtime.Serialization.Xml.dll

Forrás:

DataContractResolver.cs

Felülbírálhatja ezt a metódust, ha egy adatszerződés típusát névre xsi:type és névtérre szeretné képezni a szerializálás során.

public:
 abstract bool TryResolveType(Type ^ type, Type ^ declaredType, System::Runtime::Serialization::DataContractResolver ^ knownTypeResolver, [Runtime::InteropServices::Out] System::Xml::XmlDictionaryString ^ % typeName, [Runtime::InteropServices::Out] System::Xml::XmlDictionaryString ^ % typeNamespace);

[System.Diagnostics.CodeAnalysis.RequiresDynamicCode("Data Contract Serialization and Deserialization might require types that cannot be statically analyzed.")]
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Data Contract Serialization and Deserialization might require types that cannot be statically analyzed. Make sure all of the required types are preserved.")]
public abstract bool TryResolveType(Type type, Type? declaredType, System.Runtime.Serialization.DataContractResolver knownTypeResolver, out System.Xml.XmlDictionaryString? typeName, out System.Xml.XmlDictionaryString? typeNamespace);

[<System.Diagnostics.CodeAnalysis.RequiresDynamicCode("Data Contract Serialization and Deserialization might require types that cannot be statically analyzed.")>]
[<System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Data Contract Serialization and Deserialization might require types that cannot be statically analyzed. Make sure all of the required types are preserved.")>]
abstract member TryResolveType : Type * Type * System.Runtime.Serialization.DataContractResolver * XmlDictionaryString * XmlDictionaryString -> bool

Public MustOverride Function TryResolveType (type As Type, declaredType As Type, knownTypeResolver As DataContractResolver, ByRef typeName As XmlDictionaryString, ByRef typeNamespace As XmlDictionaryString) As Boolean

Paraméterek

type

Type

A megfeleltetendő típus.

declaredType

Type

Az adatszerződésben deklarált típus.

knownTypeResolver

DataContractResolver

Az ismert típusfeloldó.

typeName

XmlDictionaryString

Az xsi:type név.

typeNamespace

XmlDictionaryString

Az xsi:type névtér.

Válaszok

Boolean

trueha a megfeleltetés sikeres volt; egyéb esetben. false

Attribútumok

RequiresDynamicCodeAttribute RequiresUnreferencedCodeAttribute

Példák

Az alábbi példa a metódus implementálását TryResolveType mutatja be.

// Used at serialization
// Maps any Type to a new xsi:type representation
public override bool TryResolveType(Type type, Type declaredType, DataContractResolver knownTypeResolver, out XmlDictionaryString typeName, out XmlDictionaryString typeNamespace)
{
    string name = type.Name;
    string namesp = type.Namespace;
    typeName = new XmlDictionaryString(XmlDictionary.Empty, name, 0);
    typeNamespace = new XmlDictionaryString(XmlDictionary.Empty, namesp, 0);
    if (!dictionary.ContainsKey(type.Name))
    {
        dictionary.Add(name, typeName);
    }
    if (!dictionary.ContainsKey(type.Namespace))
    {
        dictionary.Add(namesp, typeNamespace);
    }
    return true;
}

Megjegyzések

Ha az implementációban az ismert típusfeloldási logikát szeretné használni, a rendszer paraméterként adja át az knownTypeResolver arra mutató hivatkozást.