JsonValueExtensionsAsEnumTEnum(JsonValue, JsonValueType) Method

Gets the specified JsonValue as TEnum if expectedType is Undefined or matches the Type property of the specified json parameter and it can be converted to TEnum; otherwise, returns .

Definition

Namespace: KGySoft.Json
Assembly: KGySoft.Json (in KGySoft.Json.dll) Version: 3.0.0

C#

public static TEnum? AsEnum<TEnum>(
	this JsonValue json,
	JsonValueType expectedType = JsonValueType.Undefined
)
where TEnum : struct, new()

VB

<ExtensionAttribute>
Public Shared Function AsEnum(Of TEnum As {Structure, New}) ( 
	json As JsonValue,
	Optional expectedType As JsonValueType = JsonValueType.Undefined
) As TEnum?

C++

public:
[ExtensionAttribute]
generic<typename TEnum>
where TEnum : value class, gcnew()
static Nullable<TEnum> AsEnum(
	JsonValue json, 
	JsonValueType expectedType = JsonValueType::Undefined
)

F#

[<ExtensionAttribute>]
static member AsEnum : 
        json : JsonValue * 
        ?expectedType : JsonValueType 
(* Defaults:
        let _expectedType = defaultArg expectedType JsonValueType.Undefined
*)
-> Nullable<'TEnum>  when 'TEnum : struct, new()

Parameters

json JsonValue: The JsonValue to be converted to TEnum.
expectedType JsonValueType (Optional): The expected Type of the specified json parameter, or Undefined to allow any type. This parameter is optional.
Default value: Undefined.

Type Parameters

TEnum: The type of the enumeration. Must be an Enum type.

Return Value

NullableTEnum
A TEnum value if json could be converted; otherwise, .

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type JsonValue. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).