Could you set some global flag that each async. operation checks before executing the real functionality? Not as clean as removing the request, but it would be a lot less work than doing your own removable thread queue.
Nick ----- Original Message ----- From: "Rolls, Robert" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, June 14, 2002 4:57 PM Subject: Re: [DOTNET] Asynchronous calls. > I need to stop outstanding request when my service is requested to stop. > > -----Original Message----- > From: Nick Wienholt [mailto:[EMAIL PROTECTED]] > Sent: Friday, 14 June 2002 16:45 > To: [EMAIL PROTECTED] > Subject: Re: [DOTNET] Asynchronous calls. > > > Asynchronous calls use the thread pool, which doesn't provide any methods > for unqueueing pending work requests. If you need to support cancellable > asynchronous operations, the only option I can think of is running the > method of a thread you create, and abort this thread if you no longer need > the operation completed. This technique may have more performance cost than > just letting the asynchronous method run through to completion, and > disgrading the results - depends on the perf. cost of the asynchronous > operation. > > Nick Wienholt > Sydney Deep .NET User Group www.sdnug.org > > > ----- Original Message ----- > From: "Rolls, Robert" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Friday, June 14, 2002 1:56 PM > Subject: [DOTNET] Asynchronous calls. > > > > If I begin an asynchronous call the BeginXXX is it just a matter of > calling > > EndXXX if I want to cancel the outstanding call? > > > > Regards > > Robert. > > > > > > > > **********************************************************************" > > This correspondence is for the named person's use only. It may > > contain confidential or legally privileged information or both. " > > No confidentiality or privilege is waived or lost by any " > > mistransmission. If you receive this correspondence in error, please > > immediately delete it from your system and notify the sender. You > > must not disclose, copy or rely on any part of this correspondence > > if you are not the intended recipient. > > > > Any views expressed in this message are those of the individual sender, > > except where the sender expressly, and with authority, states them to > > be the views of Vodafone. > > > > This email has been checked for viruses. > > > **************************************************************************** > ****************** > > > > You can read messages from the DOTNET archive, unsubscribe from DOTNET, or > > subscribe to other DevelopMentor lists at http://discuss.develop.com. > > You can read messages from the DOTNET archive, unsubscribe from DOTNET, or > subscribe to other DevelopMentor lists at http://discuss.develop.com. > > > **********************************************************************" > This correspondence is for the named person's use only. It may > contain confidential or legally privileged information or both. " > No confidentiality or privilege is waived or lost by any " > mistransmission. If you receive this correspondence in error, please > immediately delete it from your system and notify the sender. You > must not disclose, copy or rely on any part of this correspondence > if you are not the intended recipient. > > Any views expressed in this message are those of the individual sender, > except where the sender expressly, and with authority, states them to > be the views of Vodafone. > > This email has been checked for viruses. > **************************************************************************** ****************** > > You can read messages from the DOTNET archive, unsubscribe from DOTNET, or > subscribe to other DevelopMentor lists at http://discuss.develop.com. > You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.
