DefaultContractresolver .NET Nullwerte ausschließen JsonSerializierersettings Contractresolver defaultContractresolver

public class DataContractResolver : DefaultContractResolver
{
    protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
    {
        var property = base.CreateProperty(member, memberSerialization);
        property.NullValueHandling = NullValueHandling.Include;
        property.DefaultValueHandling = DefaultValueHandling.Include;
        property.ShouldSerialize = o => true;
        return property;
    }
}
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