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CancelAsync Printed From: IdeaBlade Category: DevForce Forum Name: DevForce Classic Forum Discription: For .NET 2.0 URL: http://www.ideablade.com/forum/forum_posts.asp?TID=454 Printed Date: 21-May-2025 at 7:04pm Topic: CancelAsync Posted By: -ook Subject: CancelAsync Date Posted: 26-Sep-2007 at 11:20pm I have a form that is constantly using an asynchronous query. It works well (most of the time, but that is a separate issue). When I close my windows form, I issue a CancelAsync command, this also works.... most of the time. Occasionally I get an error when the form is closed, I can replicate this error by commenting out the CancelAsync line in the FormClosing event. Therefore I can safely conclude that the CancelAsync command occasionally  does not 'take'. The documentation mentions a race condition may sometimes occur, I believe this is the case. My question therefore is, what is the recommended solution for ensuring an async command is cancel when called from a FormClosing event? Thanks

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