CancellationToken.ThrowIfCancellationRequested 方法

定义

命名空间:

System.Threading

程序集:

System.Runtime.dll

Source:

CancellationToken.cs

如果已请求取消此标记，则引发 OperationCanceledException。

public:
 void ThrowIfCancellationRequested();

public void ThrowIfCancellationRequested ();

member this.ThrowIfCancellationRequested : unit -> unit

Public Sub ThrowIfCancellationRequested ()

例外

OperationCanceledException

已请求取消此标记。

注解

此方法提供的功能等效于：

C#

if (token.IsCancellationRequested)   
    throw new OperationCanceledException(token);  

If token.IsCancellationRequested Then  
    Throw New OperationCanceledException(token)  
End If  

另请参阅

• 取消
• 任务取消
• 如何：取消任务及其子级