Re: coredll CreateFile on serial port

From: Daniel Moth (dmoth74_at_hotmail.com)
Date: 02/22/05 

Date: Tue, 22 Feb 2005 23:06:30 -0000

> Before leaving the thread can yopu advise the reference you used to fin
> error code 183?

Launch eVC (if you don't have it, it is a free download)
Tools->Error Lookup

Cheers
Daniel 

--
http://www.danielmoth.com/Blog/
"GraemeR" <graeme@wave_nospam.co.nz> wrote in message 
news:cvgdkb$ghg$1@lust.ihug.co.nz...
> Thanks Daniel.
>
>> It sounds like some other application is keeping the port open (probably 
>> your CEWedge). The port can only be used by one process at a time.
> I thought of this. I manually reset the iPAQ (reset button on bottom) 
> before running my test code. Painful and slow, but must be done.
>
>> If you ever get a valid handle you should call CloseHandle when you are 
>> done.
> I close the port when I'm finished with it; or attempt to reopen it. I'm 
> using a flag value of -1 to indicate the port is closed (i.e. handle not 
> initialised)
>
>> Let me advise you again to use one of the opennetcf classes or at least 
>> look at the code to see how to call the native APIs.
> Have been trying but am a little weak with C# (and VB .NET) code.
>
> Before leaving the thread can yopu advise the reference you used to fin 
> error code 183?
> Cheers, Graeme.
>