TryGetValueDelegate 代理人

定義

命名空間:

Microsoft.AspNetCore.Mvc.ViewFeatures

組件:

Microsoft.AspNetCore.Mvc.ViewFeatures.dll

套件:

Microsoft.AspNetCore.App.Ref v8.0.0

的 TryGetValue(TKey, TValue) 委派。

public delegate bool TryGetValueDelegate(System::Object ^ dictionary, System::String ^ key, [Runtime::InteropServices::Out] System::Object ^ % value);

public delegate bool TryGetValueDelegate(object dictionary, string key, out object value);

type TryGetValueDelegate = delegate of obj * string * obj -> bool

Public Delegate Function TryGetValueDelegate(dictionary As Object, key As String, ByRef value As Object) As Boolean 

參數

dictionary

Object

IDictionary<TKey,TValue>。

key

String

索引鍵。

value

Object

傳回值。

傳回值

Boolean

是否已找到金鑰。