• Avalanche.Core
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    • Avalanche.Accessor
      • Introduction
      • IAccessor
        • IAccessor
        • IListAccessor
        • IMapAccessor
        • IRecordAccessor
        • IContentAccessor
        • IOneOfAccessor
        • IAnyAccessor
      • Intermediate
        • Introduction
      • .Net
        • Introduction
        • IList<T>
        • IDictionary<K,V>
        • FieldInfo
        • OneOfAttribute
        • StructLayoutAttribute
        • Class
      • Protobuf
        • Introduction
      • Articles
        • Dependency Injection
        • AccessorMessages
    • Avalanche.Binding
      • Introduction
    • Avalanche.Configuration
      • Introduction
      • Configuration Binding
      • ConfigurationExtensions
      • MemoryConfiguration
      • PrintTree
      • Saving IOptions
      • Yaml
    • Avalanche.Converter
      • Introduction
      • EnumConverter
      • Func<,>
      • HexConverter
      • PrimitiveConverter
      • StringConverter
    • Avalanche.Core
      • License
    • Avalanche.DataType
      • Introduction
      • DataType
        • IDataType
        • IListType
        • IMapType
        • IRecordType
        • IFieldType
        • IOneOfType
        • IAnyType
        • IStringType
        • IValueType
        • IIntegerType
        • IEnumerationType
        • IRealType
      • .Net
        • Introduction
        • IList<T>
        • IDictionary<K,V>
        • FieldInfo
        • Enum
        • OneOfAttribute
        • StructLayoutAttribute
        • Class
      • Protobuf
        • Introduction
      • Articles
        • DataTypeRequest
        • PrintTree
        • DataTypeMessages
    • Avalanche.Emit
      • Introduction
      • TypeBuilder
      • ConstructorBuilder
      • MethodBuilder
      • PropertyBuilder
      • FieldBuilder
      • Emit
      • Utilities
    • Avalanche.FileSystem
      • Introduction
      • Abstractions
        • IFileSystemBrowse
        • IFileSystemCreateDirectory
        • IFileSystemDelete
        • IFileSystemFileAttribute
        • IFileSystemMount
        • IFileSystemMove
        • IFileSystemObserve
        • IFileSystemOpenStream
        • IFileSystemOpenMemory
        • IEvent
        • IEntry
        • IOption
        • IToken
      • FileSystem
      • VirtualFileSystem
      • MemoryFileSystem
      • EmbeddedFileSystem
      • HttpFileSystem
      • Decoration
      • IFileProvider
      • Utilities
        • Dispose
        • FileDictionary
        • FileScanner
        • FilterEnumerable
        • OperationSession
        • PollingFilterWatchToken
        • VisitTree
      • Article
        • Examples
        • PrintTree
    • Avalanche.Identity
      • Introduction
      • Identity
      • IdentityParts
      • IdentityInterner
      • IdentityComparer
      • Print Tree
      • IdentityAccessors
        • Introduction
        • TypeName
    • Avalanche.Localization
      • Introduction
      • Localization
      • LocalizationFile
      • LocalizationFiles
      • LocalizationFileSystem
      • LocalizationFileFormat
      • LocalizationLine
      • LocalizationLines
      • TemplateFormat
      • CultureProvider
      • FallbackCultureProvider
      • ResourceManager
      • LocalizationError
      • Microsoft.Extensions
        • Introduction
        • DependencyInjection
        • FileProvider
        • Logging
        • ITextLocalizer
        • IFileLocalizer
        • Localization
      • Asp.Net
        • Introduction
        • Supplying localization
        • Inject to pages
        • Culture Assigned
        • Minimalistic Api
        • Diagnostics
      • Pluralization
        • Introduction
        • Multiple plural parameters
        • Custom PluralRules
        • Invariant Culture
        • Unit Prefix
        • IPluralRule
        • IPluralNumber
        • IPluralRules
        • CLDRs
        • Unicode.CLDR40
        • Unicode.CLDR41
        • Unicode.CLDR42
        • Unicode.CLDR43
      • Articles
        • Alphabet localization
        • Benchmarks
        • Caching
        • Class Library
        • Demo
        • Diagnostics
        • Embedded resources
        • Emplacement
        • File localization
        • Text localization
        • Printing templates
    • Avalanche.Memory
      • Introduction
      • IMemory<T>
      • BlockMemory<T>
      • FileMemory
      • ListMemory<L, T>
      • MemoryMemory<T>
      • MMFMemory<T>
      • PointerMemory<T>
      • Slice<M, T>
      • StreamMemory
      • Concurrency
        • RWLockedMemory
        • SynchronizedMemory
      • Serialization
        • Fixed<T>
        • Variable<T>
        • StringEncoding
      • Articles
        • Benchmarks
        • Fixed-size and Variable-sized
        • IBlockPool<T>
        • Print Tree
        • Read and Write events
        • Stream View
        • Zero Heap
    • Avalanche.Message
      • Introduction
      • IMessage
      • IMessageProvider
      • IMessageDescription
      • IMessageDescriptions
      • MessageDescriptionsBase
      • MessageLevel
      • Message printing
      • Messages and Exceptions
      • Microsoft.Extensions
        • DependencyInjection
      • Articles
        • Aggregate Messages
        • Localization
        • Localization Templates
        • Logging
        • Validation
    • Avalanche.Module
      • Introduction
      • IServiceCollection
      • IServiceBuilder
      • IHostBuilder
      • Dependencies
    • Avalanche.Options
      • Introduction
      • OptionsExtensions
      • OptionsMonitorCast
    • Avalanche.Protobuf
      • Protoscope
    • Avalanche.Service
      • Introduction
      • Service
        • Introduction
        • IService
        • IServiceDisposable
        • IServiceDecoration
        • IServiceCast
        • IServiceObservable
        • IServiceContainer
        • Construction
        • Query
        • CancellationToken
        • CachePolicy
        • Scope
      • Handler
        • Introduction
        • IHandler
        • IHandlerCast
        • IHandlerDecoration
        • IHandlerWithOrder
        • CancellationToken
        • Cyclicity
        • Delegates
        • Invokable
        • ExportAttribute
        • OrderAttribute
        • PrintTree
        • Recursion
      • Query
        • Introduction
        • IQuery
        • IQueryCast
        • IQueryDecoration
      • Entry
        • Introduction
        • IEntry
        • IEntryCast
        • IEntryDecoration
        • IEntryObservable
        • IEntryVisitable
        • EntryState
      • Request
        • Introduction
        • IRequest
        • IRequestFor
        • IRequestToBeCached
        • IRequestToBeDisposed
        • RequestAttribute
        • ContextParameterAttribute
        • Print Tree
      • Dependency Injection
        • Introduction
        • Asp.Net
        • ServiceRequest<T>
        • Decorating a service
        • Handler
        • CachePolicy
        • CancellationToken
        • QueryLogger
        • IHostBuilder
      • Examples
        • NodeCount
        • Expression
        • Mapper
      • Articles
        • Benchmarks
        • Error Handling
        • ServiceMessages
    • Avalanche.StatusCode
      • Introduction
      • HResult
        • Introduction
        • HResult.Facilities
        • BasicMessages
        • RpcMessages
        • DispatchMessages
        • StorageMessages
        • ItfMessages
        • Win32Messages
        • WindowsMessages
        • SspiMessages
        • CertMessages
        • MediaServerMessages
        • SetupApiMessages
        • ScardMessages
        • ComPlusMessages
        • ClrMessages
        • UserModeFilterManagerMessages
        • GraphicsMessages
        • TpmServicesMessages
        • TpmSoftwareMessages
        • PlaMessages
        • FveMessages
        • FwpMessages
        • NdisMessages
        • DltMessages
      • System
        • Introduction
        • AccessControlMessages
        • AggregateMessages
        • AppDomainMessages
        • ArgumentMessages
        • ArgumentNullMessages
        • ArgumentOutOfRangeMessages
        • ArithmeticMessages
        • ArrayMessages
        • AssemblyMessages
        • BadImageFormatMessages
        • CodeContractMessages
        • CodePageMessages
        • CollectionsMessages
        • CompilerServiceMessages
        • CryptographyMessages
        • CultureMessages
        • DiagnosticsMessages
        • EventSourceMessages
        • ExecutionEngineMessages
        • FormatMessages
        • HostProtectionMessages
        • IOMessages
        • IndexOutOfRangeMessages
        • InteropServiceMessages
        • InvalidCastMessages
        • InvalidOperationMessages
        • IsolatedStorageMessages
        • LazyMessages
        • MarshalerMessages
        • MemoryMessages
        • MiscellaneousMessages
        • NotImplementedMessages
        • NotSupportedMessages
        • ObjectDisposedMessages
        • OperationCanceledMessages
        • OverflowMessages
        • PlatformMessages
        • PolicyMessages
        • PrincipalMessages
        • ProgramMessages
        • ReferenceMessages
        • ReflectionMessages
        • RegionMessages
        • RemotingMessages
        • ResourcesMessages
        • SecurityMessages
        • SerializationMessages
        • StackMessages
        • TaskMessages
        • TextMessages
        • ThreadingMessages
        • TimeZoneMessages
        • TypeMessages
        • XmlMessages
      • HttpStatusCode
      • OpcUaStatusCode
    • Avalanche.Template
      • Introduction
      • TemplateFormats
      • ITemplatePrintable
      • ITemplateFormatPrintable
      • ITemplateText
      • ITemplateBreakdown
      • ITemplateFormat
      • ITemplateFormats
      • Extract Arguments
      • Emplacement
    • Avalanche.Tokenizer
      • Introduction
      • IToken
      • ITokenizer
      • Tokenizers
    • Avalanche.Utilities
      • Introduction
      • Collections
        • ArrayList
        • ArrayUtilities
        • BijectionMap
        • CachedSelect
        • DictionaryAdapter
        • EnumerableExtensions
        • LocakableDictionary
        • LockableList
        • MapList
        • Pipe
        • RingQueue
        • StructList
        • Tuples
        • TupleUtilities
      • Comparers
        • IGraphComparer
        • IGraphComparable
        • AlphaNumericComparer
        • EnumerableComparer
        • EnumerableGraphComparer
        • ReferenceComparer
        • KeyValuePairComparer
        • DefaultComparerProvider
        • RecordComparer
      • Cloners
        • ICloner
        • IGraphCloner
        • IGraphCloneable
        • ListCloner
        • DictionaryCloner
        • FieldCloner
        • PassthroughCloner
        • RecordCloner
        • ClonerProvider
      • Dispose
        • IDisposeAttachable
        • IDisposeBelatable
      • Provider
        • Introduction
        • ProviderBase
        • Delegate
        • Pipe
        • Cache
        • ResultCapture
        • AsReadOnly
        • SharedResource
        • AsService
        • IProviderEvent
      • Record
        • IRecordDescription
        • IFieldDescription
        • IConstructorDescription
        • IConstructionDescription
        • IParameterDescription
        • IRecordProviders
        • RecordDelegates
          • RecordCreate
          • RecordClone
          • RecordCopy
          • IRecordDelegates
        • FieldDelegates
          • FieldRead
          • FieldWrite
          • RecreateWith
          • IFieldDelegates
      • Reflection
        • EnumDescription
      • String
        • IEscaper
        • UnicodeString
        • Hex
      • Miscellaneous
        • IIdGenerator
        • Permutation
        • IReadOnly
        • IUserDataContainer
        • ITreeNode
        • Void
    • Avalanche.Writer
      • Introduction
      • ConstantWriter
      • Context
      • ConvertWriter
      • DefaultConstructor
      • DelegateWriter
      • PassthroughWriter
      • Referer
      • TypeCast
      • Writer
      • WriterPipe
      • WriterMessages

    IContentAccessor

    IAccessor
    └── IContentAccessor
        └── IContentAccessor<Container>
            └── IContentAccessor<Container, Content>
    

    IContentAccessor describes writers to access a specific content in a container, e.g. a field.

    /// <summary>Access to specific content of a container.</summary>
    public interface IContentAccessor : IAccessor, IContainerAccessor
    {
        /// <summary></summary>
        Type ContentType { get; set; }
    
        /// <summary>Reads <typeparamref name="Content"/> from <typeparamref name="Container"/>.</summary>
        IWriter Reader { get; set; }
        /// <summary>Writes <typeparamref name="Content"/> to <typeparamref name="Container"/>.</summary>
        IWriter Writer { get; set; }
        /// <summary>Refers <typeparamref name="Content"/> in <typeparamref name="Container"/>.</summary>
        IWriter Referer { get; set; }
    }
    

    IContentAccessor<Container, Content> describes accessor for container type Content and field type Content.

    /// <summary>Indicates content and container types.</summary>
    public interface IContentAccessor<Container, Content> : IContentAccessor<Container>, IContentAccessorOf<Content>
    {
        /// <summary>Reads <typeparamref name="Content"/> from <typeparamref name="Container"/>.</summary>
        new IWriterBase<Container, Content> Reader { get; set; }
        /// <summary>Writes <typeparamref name="Content"/> to <typeparamref name="Container"/>.</summary>
        new IWriterBase<Content, Container> Writer { get; set; }
        /// <summary>Refers <typeparamref name="Content"/> in <typeparamref name="Container"/>.</summary>
        new IWriter Referer { get; set; }
    }
    

    IContentVisitor and IContentVisitorT are visitor interfaces for IAccessorBase.Accept(IAccessorVisitor).

    /// <summary>Base interface for content visitor</summary>
    public interface IContentVisitor : IAccessorVisitor
    {
        /// <summary>Try visit <paramref name="contentAccessor"/>.</summary>
        /// <returns>true to continue visitation</returns>
        bool VisitContentAccessor(IContentAccessor contentAccessor);
    }
    
    /// <summary>Base interface for content visitor</summary>
    public interface IContentVisitorT : IAccessorVisitor
    {
        /// <summary>Try visit <paramref name="contentAccessor"/>.</summary>
        /// <returns>true to continue visitation</returns>
        bool VisitContentAccessor<Container, Content>(IContentAccessor<Container, Content> contentAccessor);
    }
    

    ContentAccessor

    AccessorBase
    └── ContentAccessor
        └── ContentAccessor<Container>
            └── ContentAccessor<Container, Content>
    

    ContentAccessor<Content, Field> is the default implementation.

    IContentAccessor<MyRecord, int> accessor = new ContentAccessor<MyRecord, int>()
    {
        Reader = null!,
        Writer = null!,
        Referer = null!,
    }.SetReadOnly();
    

    ContentAccessor.Create(Type, Type) constructs IContentAccessor<Container, Content>. There is a setter method for each field.

    IContentAccessor<MyRecord, int> accessor =
        (IContentAccessor<MyRecord, int>)
        ContentAccessor.Create(typeof(MyRecord), typeof(int))
        .SetReader(null!)
        .SetWriter(null!)
        .SetReferer(null!)
        .SetReadOnly();
    

    Query

    AccessorRequest(target) requests for IAccessor depending on type target.

    // Create service
    IService service = Services.Create(Avalanche.Accessor.Net.Module.Instance);
    // Create container target
    IContainerTarget target = new NetField(typeof(MyRecord).GetField("Id")!);
    // Create request
    IRequestFor<IAccessor> request = new AccessorRequest(target);
    // Issue request
    IContentAccessor<MyRecord> accessor = service.GetRequired<IRequest, IContentAccessor<MyRecord>>(request);
    

    ContentAccessorRequest(target) requests for IContentAccessor<Container>.

    // Create service
    IService service = Services.Create(Avalanche.Accessor.Net.Module.Instance);
    // Create container target
    IContainerTarget target = new NetField(typeof(MyRecord).GetField("Id")!);
    // Create request
    IRequestFor<IContentAccessor> request = new ContentAccessorRequest(target);
    // Issue request
    IContentAccessor<MyRecord, int> accessor = service.GetRequired<IRequest, IContentAccessor<MyRecord, int>>(request);
    

    ContentAccessorRequest(target) can also request for IContentAccessor<Container, Content>.

    // Create service
    IService service = Services.Create(Avalanche.Accessor.Net.Module.Instance);
    // Create container target
    IContainerTarget target = new NetField(typeof(MyRecord).GetField("Id")!, typeof(object));
    // Create request
    IRequestFor<IContentAccessor> request = new ContentAccessorRequest(target);
    // Issue request
    IContentAccessor<MyRecord, object> accessor = service.GetRequired<IRequest, IContentAccessor<MyRecord, object>>(request);
    // Create record
    var record = new MyRecord(11, "A");
    // Write as boxed object
    accessor.Writer.Write(12, record);
    // Read as object
    object label = accessor.Reader.Read(record);
    

    ContentAccessorRequest is specifically a request for specific writers. Each can be assigned with explicit customization.

    // Create service
    IService service = Services.Create(Avalanche.Accessor.Net.Module.Instance);
    // Create container target
    IContainerTarget target = new NetField(typeof(MyRecord).GetField("Id")!);
    // Create request
    IRequestFor<IContentAccessor> request = new ContentAccessorRequest
    {
        Reader = new ReaderRequest(target),
        Writer = new WriterRequest(target),
        Referer = new RefererRequest(target),
        IsAssigned = new IsAssignedRequest(target),
        Unassign = new UnassignRequest(target),
        ContainerType = new ContainerTypeRequest(target),
        ContentType = new ContentTypeRequest(target),
    };
    // Issue request
    IContentAccessor<MyRecord> accessor = service.GetRequired<IRequest, IContentAccessor<MyRecord>>(request);
    

    Usage

    .Reader reads value from container.

    MyRecord record = new MyRecord(10, "Hello");
    int id = accessor.Reader.ReadAs<MyRecord, int>(record);
    

    .Writer writes value to container.

    MyRecord record = new MyRecord(10, "Hello");
    accessor.Writer.WriteAs<int, MyRecord>(11, record);
    

    .Referer gets pointer to the value in the container.

    MyRecord record = new MyRecord(10, "Hello");
    ref int pointer = ref ((IReferer<MyRecord, int>)accessor.Referer).GetReference(record);
    

    Notes

    A ref must be used when accessing value-typed container.

    // Create service
    IService service = Services.Create(Avalanche.Accessor.Net.Module.Instance);
    // Create container target
    IContainerTarget target = new NetField(typeof(MyStruct).GetProperty("Id")!);
    // Create request
    IRequestFor<IContentAccessor> request = new ContentAccessorRequest(target);
    // Issue request
    IContentAccessor<MyStruct, int> accessor = service.GetRequired<IRequest, IContentAccessor<MyStruct, int>>(request);
    // Create value-typed record on stack
    MyStruct record = new MyStruct(10, "Hello");
    // Write id
    accessor.Writer.WriteAs<int, MyStruct>(11, ref record);
    

    Boxed value-types can be accessed as object.

    // Create service
    IService service = Services.Create(Avalanche.Accessor.Net.Module.Instance);
    // Create container target
    IContainerTarget target = new NetField(typeof(MyStruct).GetProperty("Id")!);
    // Create request
    IRequestFor<IContentAccessor> request = new ContentAccessorRequest(target);
    // Issue request
    IContentAccessor<MyStruct, int> accessor = service.GetRequired<IRequest, IContentAccessor<MyStruct, int>>(request);
    // Create value-typed record into heap
    object record = new MyStruct(10, "Hello");
    // Write id
    accessor.Writer.TypeCast<int, object>().Write(11, record);
    

    Full Example

    Full example
    using System.Runtime.Serialization;
    using Avalanche.Accessor;
    using Avalanche.DataType;
    using Avalanche.Service;
    using Avalanche.Utilities;
    using Avalanche.Utilities.Record;
    using Avalanche.Writer;
    
    public class contentaccessor
    {
        public static void Run()
        {
            {
                // <00>
                IContentAccessor accessor = new ContentAccessor()
                {
                    Reader = null!,
                    Writer = null!,
                    Referer = null!,
                }.SetReadOnly();
                // </00>
            }
            {
                // <01>
                IContentAccessor<MyRecord, int> accessor = new ContentAccessor<MyRecord, int>()
                {
                    Reader = null!,
                    Writer = null!,
                    Referer = null!,
                }.SetReadOnly();
                // </01>
            }
            {
                // <02>
                IContentAccessor<MyRecord, int> accessor =
                    (IContentAccessor<MyRecord, int>)
                    ContentAccessor.Create(typeof(MyRecord), typeof(int))
                    .SetReader(null!)
                    .SetWriter(null!)
                    .SetReferer(null!)
                    .SetReadOnly();
                // </02>
            }
            {
                // <03>
                IContentAccessor accessor =
                    ContentAccessor.Create(typeof(MyRecord))
                    .SetReader(null!)
                    .SetWriter(null!)
                    .SetReferer(null!)
                    .SetReadOnly();
                // </03>
            }
            {
                // <04>
                IContentAccessor accessor =
                    ContentAccessor.Create(typeof(MyRecord), typeof(object))
                    .SetReader(null!)
                    .SetWriter(null!)
                    .SetReferer(null!)
                    .SetReadOnly();
                // </04>
            }
    
            {
                // <10>
                // Create service
                IService service = Services.Create(Avalanche.Accessor.Net.Module.Instance);
                // Create container target
                IContainerTarget target = new NetField(typeof(MyRecord).GetField("Id")!);
                // Create request
                IRequestFor<IAccessor> request = new AccessorRequest(target);
                // Issue request
                IContentAccessor<MyRecord> accessor = service.GetRequired<IRequest, IContentAccessor<MyRecord>>(request);
                // </10>
            }
            {
                // <11>
                // Create service
                IService service = Services.Create(Avalanche.Accessor.Net.Module.Instance);
                // Create container target
                IContainerTarget target = new NetField(typeof(MyRecord).GetField("Id")!);
                // Create request
                IRequestFor<IContentAccessor> request = new ContentAccessorRequest(target);
                // Issue request
                IContentAccessor<MyRecord, int> accessor = service.GetRequired<IRequest, IContentAccessor<MyRecord, int>>(request);
                // </11>
            }
            {
                // <11B>
                // Create service
                IService service = Services.Create(Avalanche.Accessor.Net.Module.Instance);
                // Create container target
                IContainerTarget target = new NetField(typeof(MyRecord).GetField("Id")!, typeof(object));
                // Create request
                IRequestFor<IContentAccessor> request = new ContentAccessorRequest(target);
                // Issue request
                IContentAccessor<MyRecord, object> accessor = service.GetRequired<IRequest, IContentAccessor<MyRecord, object>>(request);
                // Create record
                var record = new MyRecord(11, "A");
                // Write as boxed object
                accessor.Writer.Write(12, record);
                // Read as object
                object label = accessor.Reader.Read(record);
                // </11B>
            }
            {
                // <12>
                // Create service
                IService service = Services.Create(Avalanche.Accessor.Net.Module.Instance);
                // Create container target
                IContainerTarget target = new NetField(typeof(MyRecord).GetField("Id")!);
                // Create request
                IRequestFor<IContentAccessor> request = new ContentAccessorRequest
                {
                    Reader = new ReaderRequest(target),
                    Writer = new WriterRequest(target),
                    Referer = new RefererRequest(target),
                    IsAssigned = new IsAssignedRequest(target),
                    Unassign = new UnassignRequest(target),
                    ContainerType = new ContainerTypeRequest(target),
                    ContentType = new ContentTypeRequest(target),
                };
                // Issue request
                IContentAccessor<MyRecord> accessor = service.GetRequired<IRequest, IContentAccessor<MyRecord>>(request);
                // </12>
            }
    
            {
                // Create service
                IService service = Services.Create(Avalanche.Accessor.Net.Module.Instance);
                // Create container target
                IContainerTarget target = new NetField(typeof(MyRecord).GetField("Id")!);
                // Create request
                IRequestFor<IContentAccessor> request = new ContentAccessorRequest(target);
                // Issue request
                IContentAccessor<MyRecord, int> accessor = service.GetRequired<IRequest, IContentAccessor<MyRecord, int>>(request);
                {
                    // <51>
                    MyRecord record = new MyRecord(10, "Hello");
                    int id = accessor.Reader.ReadAs<MyRecord, int>(record);
                    // </51>
                }
                {
                    // <52>
                    MyRecord record = new MyRecord(10, "Hello");
                    accessor.Writer.WriteAs<int, MyRecord>(11, record);
                    // </52>
                }
                {
                    // <53>
                    MyRecord record = new MyRecord(10, "Hello");
                    ref int pointer = ref ((IReferer<MyRecord, int>)accessor.Referer).GetReference(record);
                    // </53>
                }
            }
            {
                // <71>
                // Create service
                IService service = Services.Create(Avalanche.Accessor.Net.Module.Instance);
                // Create container target
                IContainerTarget target = new NetField(typeof(MyStruct).GetProperty("Id")!);
                // Create request
                IRequestFor<IContentAccessor> request = new ContentAccessorRequest(target);
                // Issue request
                IContentAccessor<MyStruct, int> accessor = service.GetRequired<IRequest, IContentAccessor<MyStruct, int>>(request);
                // Create value-typed record on stack
                MyStruct record = new MyStruct(10, "Hello");
                // Write id
                accessor.Writer.WriteAs<int, MyStruct>(11, ref record);
                // </71>
            }
            {
                // <72>
                // Create service
                IService service = Services.Create(Avalanche.Accessor.Net.Module.Instance);
                // Create container target
                IContainerTarget target = new NetField(typeof(MyStruct).GetProperty("Id")!);
                // Create request
                IRequestFor<IContentAccessor> request = new ContentAccessorRequest(target);
                // Issue request
                IContentAccessor<MyStruct, int> accessor = service.GetRequired<IRequest, IContentAccessor<MyStruct, int>>(request);
                // Create value-typed record into heap
                object record = new MyStruct(10, "Hello");
                // Write id
                accessor.Writer.TypeCast<int, object>().Write(11, record);
                // </72>
            }
        }
    
        // <100>
        public record MyRecord 
        {
            public int Id;
            public string Label;
            public MyRecord(int id, string label)
            {
                this.Id = id;
                this.Label = label;
            }
        }
        // </100>
        // <101>
        public record struct MyStruct(int Id, string Label);
        // </101>
    }
    
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