CoreTypeMapping.WithComposedConverter 方法

定義

命名空間:

Microsoft.EntityFrameworkCore.Storage

組件:

Microsoft.EntityFrameworkCore.dll

套件:

Microsoft.EntityFrameworkCore v8.0.0

傳回這個型別對應的新複本，並加入指定的 ValueConverter 。

public abstract Microsoft.EntityFrameworkCore.Storage.CoreTypeMapping WithComposedConverter (Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter? converter, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? comparer = default, Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer? keyComparer = default, Microsoft.EntityFrameworkCore.Storage.CoreTypeMapping? elementMapping = default, Microsoft.EntityFrameworkCore.Storage.Json.JsonValueReaderWriter? jsonValueReaderWriter = default);

abstract member WithComposedConverter : Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.ChangeTracking.ValueComparer * Microsoft.EntityFrameworkCore.Storage.CoreTypeMapping * Microsoft.EntityFrameworkCore.Storage.Json.JsonValueReaderWriter -> Microsoft.EntityFrameworkCore.Storage.CoreTypeMapping

Public MustOverride Function WithComposedConverter (converter As ValueConverter, Optional comparer As ValueComparer = Nothing, Optional keyComparer As ValueComparer = Nothing, Optional elementMapping As CoreTypeMapping = Nothing, Optional jsonValueReaderWriter As JsonValueReaderWriter = Nothing) As CoreTypeMapping

參數

converter

ValueConverter

要使用的轉換器。

comparer

ValueComparer

要使用的比較子，或 null 用於 保留預設值。

keyComparer

ValueComparer

當值為索引鍵 null 或保留預設值時要使用的比較子。

elementMapping

CoreTypeMapping

專案對應，或 null 用於非集合對應。

jsonValueReaderWriter

JsonValueReaderWriter

JSON 讀取器/寫入器，或 null 保留不變。

傳回

CoreTypeMapping

新的類型對應