Re: Monitoring Threads

Can I use the System.Forms.Timer in a dll that has no GUI?

-----Original Message-----
From: Discussion forum for developers using Windows Forms to build apps and
controls [mailto:[email protected]] On Behalf Of Peter
Ritchie
Sent: Thursday, March 29, 2007 2:05 AM
To: [email protected]
Subject: Re: [DOTNET-WINFORMS] Monitoring Threads

Sorry, I should have been more clear.  What Patrick said,
System.Timers.Timer uses a background thread.  Use System.Forms.Timer if
you want to ensure your elapsed event timer is run on the GUI thread.

On Wed, 28 Mar 2007 21:09:00 -0500, Kelly Baker
<[email protected]> wrote:

>I'm trying NOT to call RunWorkerAsync from a background thread.  I am
>running it in a System.Timers.Timer elapsed event.  Does the Timer
>automatically run in a different thread?  That's what I wanted to find out
>by monitoring what thread running what routines.  Is there a call that
will
>give me the thread ID as shown in the Thread window of the debugger?
>
>Thanks,
>Kelly
>
>-----Original Message-----
>From: Discussion forum for developers using Windows Forms to build apps
and
>controls [mailto:[email protected]] On Behalf Of Peter
>Ritchie
>Sent: Wednesday, March 28, 2007 8:28 PM
>To: [email protected]
>Subject: Re: [DOTNET-WINFORMS] Monitoring Threads
>
>The completed and progress events are called on the same thread that calls
>the RunWorkerAsync method.  If you call the RunWorkerAsync method on a
>thread other than the GUI thread then you'll get cross-threading
>exceptions when you try to access Control data from within those event
>handlers.
>
>Why are you calling RunWorkerAsync from a background thread?  I.e. what
>are you trying to accomplish?  There's several ways to approach this, I'm
>just trying to find out what way would be best.
>
>
>On Wed, 28 Mar 2007 19:37:08 -0500, Kelly Baker
><[email protected]> wrote:
>
>>I am still working on that dll that runs a process in a different thread,
>>then raises a NewData event for the calling executable.  I have redone it
>>using the BackgroundWorker class to do my threading.  I have a
>>System.Timers.Timer object that runs the RunWorkerAsync method.  In the
>>RunWorkerCompleted event I raise the NewData event.  But the executable
>>still raises the cross-threading error when I try to update the form
>>controls.  Is there a way to programmatically get the thread ID that is
>>displayed on the Threads debug window?  I would like to log what thread
is
>>active with each operation until I can find where my problem is.