It just works as the plain DCOM, (works with MTDLLs also).No timers needed. You only need the correct security permissions for the COM object access.

>WOW Nick, how did I miss that? If that works regardless of domain, tree, or OS, then it is a much needed method. I'll check into it too...
>
>Thanks,
>Tracy
>
>>>I have a table of all users who are logged into my app. But what is the mechanism for sending them a message? What commands, utilities or APIs do I use? I have a varied group of clients and want to be OS and Network independant.
>>>
>>>Brenda
>>
>>Hi Brenda,
>>
>>What you need here is the event raising. Check out my article "Raise Events from your Applications" in February 2001 FoxPro Advisor if you have it. I had a session on that at San Diego DevCon 2001 and one of the samples was VFP Instant Messenger which does just what you describe.