# Codec_IdComparer Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleanscodegen.orleans.transactions.participantid.codec-idcomparer/)

## Deserialize(Reader<TReaderInput>, IdComparer) {#deserialize-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-tran-6f9e71bf}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleanscodegen.orleans.transactions.participantid.codec-idcomparer/methods/deserialize-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-tran-6f9e71bf/)

```csharp
public void Deserialize<TReaderInput>(ref Reader<TReaderInput> reader, IdComparer instance)
```

### Parameters

- `reader` (`Reader<TReaderInput>`)
- `instance` (`IdComparer`)

## ReadValue(Reader&lt;TReaderInput&gt;, Field) {#readvalue-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-serial-1b8b15a6}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleanscodegen.orleans.transactions.participantid.codec-idcomparer/methods/readvalue-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-serial-1b8b15a6/)

```csharp
public IdComparer ReadValue<TReaderInput>(ref Reader<TReaderInput> reader, Field field)
```

Reads a value.

### Parameters

- `reader` (`Reader<TReaderInput>`): The reader.
- `field` (`Field`): The field.

### Returns

The value.

## Serialize(Writer&lt;TBufferWriter&gt;, IdComparer) {#serialize-1-ref-orleans-serialization-buffers-writer-tbufferwriter-orleans-trans-5f5c3364}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleanscodegen.orleans.transactions.participantid.codec-idcomparer/methods/serialize-1-ref-orleans-serialization-buffers-writer-tbufferwriter-orleans-trans-5f5c3364/)

```csharp
public void Serialize<TBufferWriter>(ref Writer<TBufferWriter> writer, IdComparer instance)
```

### Parameters

- `writer` (`Writer<TBufferWriter>`)
- `instance` (`IdComparer`)

## WriteField(Writer&lt;TBufferWriter&gt;, uint, Type, IdComparer) {#writefield-1-ref-orleans-serialization-buffers-writer-tbufferwriter-uint-system-cd2ee438}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleanscodegen.orleans.transactions.participantid.codec-idcomparer/methods/writefield-1-ref-orleans-serialization-buffers-writer-tbufferwriter-uint-system-cd2ee438/)

```csharp
public void WriteField<TBufferWriter>(ref Writer<TBufferWriter> writer, uint fieldIdDelta, Type expectedType, IdComparer value)
```

Writes a field.

### Parameters

- `writer` (`Writer<TBufferWriter>`): The writer.
- `fieldIdDelta` (`uint`): The field identifier delta.
- `expectedType` (`Type`): The expected type.
- `value` (`IdComparer`): The value.