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.NET Forum / .NET Framework / New Users / March 2008Force a Windows Form application to exit.
Hi everyone, I've a problem with a .NET VisualBasic 2005 Windows Form application. My app uses the Bluetooth to sends messages to mobile devices in its BT coverage area; for every device founded, its create a managed thread which takes care of the communication between the mobile device and my app. If I try to end my application while some thread is alive (please note that I call a thread.abort for every alive thread before end) sometimes my app hangs up because some thread remains alive regardless the thread.abort call ( I know that this method closes the thread only if it is in a safe point for the framework). Any idea to force the end of the app regardless that threads? Thanks in advance, Andrea Valori. Hi Andrea, That's no good idea to do it, becasue you need to manage opened threads knowing what they are doing. Anyway, you can do it declaring the thread as backgrounded (.IsBackground=true); In this way if main (UI) thread exits the application finishes. Regards, Alex Meleta [Tech Blog: http://devkids.blogspot.com] AV> Hi everyone, AV> I've a problem with a .NET VisualBasic 2005 Windows Form AV> application. My app AV> uses the Bluetooth to sends messages to mobile devices in its BT AV> coverage AV> area; for every device founded, its create a managed thread which AV> takes care AV> of the communication between the mobile device and my app. If I try AV> to end my AV> application while some thread is alive (please note that I call a AV> thread.abort for every alive thread before end) sometimes my app AV> hangs up AV> because some thread remains alive regardless the thread.abort call ( AV> I know AV> that this method closes the thread only if it is in a safe point for AV> the AV> framework). Any idea to force the end of the app regardless that AV> threads? AV> Thanks in advance, Andrea Valori. Hi Alex, thanks for your reply. Really, I've added the property t.IsBackground=true before my post but it seems not useful for my problem. When I exit of my app, I save my settings, call t.abort if I have some open threads and after I call System.Environment.Exit(0) or System.Application.Exit but nothing is useful. Sometimes my app hangs up until the thread finish his work (regardless the t.abort) and after closes. Any new idea? Thanks to all, Andrea Valori. > Hi Andrea, > [quoted text clipped - 26 lines] > AV> threads? > AV> Thanks in advance, Andrea Valori.
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