> This program is used to send files to an ftp server at 2:00am each day.
>  At the very top of my program I dim a new instance of a com FTP
> control. I have a processing sub which calls a login function which runs
> the ftp controls login method and verifies it got logged in.  The
> processing sub then calls a remote directory function.  The remote
> directory function calls the com controls method to open the directory
> for a remote directory listing and gets the listing.
>
> The processing sub can be called from a button click or from the
> timer1.tick event.  Testing using the button is great.  When the timer
> kicks it off it logs in fine and then gives "There is no source code
> available for the current location" on myftpClient.opendirectory which
> is the com controls method to open the directory for a remote directory
> listing.
>
> This solves the problem but why?  The first line in the processing sub
> is Timer1.stop.  I do this to keep it from trying to start processing
> again while processing is running.  The last line in the processing sub
> is Timer1.start.  If instead of doing this I use a boolean variable as a
> flag saying processing is occurring I have no problems. Why would
> timer1.stop cause this problem?  And why would it allow the login to
> work but not the opendirectory?
>
> I expect it's something simple I'm not understanding about timer events.
>  Please enlighten me.

> Hi cj,
>
> Based on my understanding, the issue:
> 1) Only occurs in .NET 1.1
> 2) Only when you're calling Timer.Stop() in the beginning of Tick event
> 3) Occurs when calling the COM component's OpenDirectory() method
>
> Please correct me if I've misunderstood anything.
>
> To troubleshoot this issue, I have to ask some questions first:
> 1) What's the exact exception you're seeing?
> 2) Do you mean removing "Timer1.Stop" in the Tick event will fix the issue?
> 3) Is it related to the specific com component you're using? I mean, if we
> use some other com component in the Tick event, do you still see the issue?
>
>
> I'm afraid without reproducible project, it's difficult to troubleshoot and
> find the root cause on my side.
>
> In the meanwhile, I'll check the implementation changes in the Timer code
> from 1.1 to 2.0 to see if there's any break changes.
>
>
> Sincerely,
> Walter Wang (waw***@online.microsoft.com, remove 'online.')
> Microsoft Online Community Support
>
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