https://learn.microsoft.com/en-us/dotnet/api/system.threading.cancellationtoken.iscancellationrequested?view=netframework-4.8.1&redirectedfrom=MSDN
CancellationToken.IsCancellationRequested Property (System.Threading) | Microsoft Learn
Gets whether cancellation has been requested for this token.
property systemcancellationtokenthreadingmicrosoftlearn
https://learn.microsoft.com/zh-cn/dotnet/api/system.threading.cancellationtoken.iscancellationrequested?view=netframework-4.7.2
CancellationToken.IsCancellationRequested Property (System.Threading) | Microsoft Learn
Gets whether cancellation has been requested for this token.
property systemcancellationtokenthreadingmicrosoftlearn