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Article #8235

Re: How to communicate with Service Application

#8235
From: Azrin Aris
Date: Fri, 05 Nov 2004 01:07
37 lines
2373 bytes
Remy Lebeau (TeamB) wrote:
> "Azrin Aris" <azrin_aris@yahoo.com> wrote in message
> news:4189ecdd$1@newsgroups.borland.com...
> 
> 
>>I just want to use sendmessage and put numbers in the lparam.
> 
> 
> You cannot use SendMessage() with a service.  There is no window available
> to receive the message.
> 
> Again, I ask you, what EXACTLY are you trying to pass?  What do you numbers
> represent?  I only ask because if you can assign a unique message to each
> numberic value, then you don't have to pass numbers at all, and then you can
> use ControlService() to pass custom messages to the service directly.
> 
> 
>>I've tried using SendMessage with HWND_BROADCAST
>>and I've #define MC_ACTIVATE (WM_USER + 100) as the
>>message id but the other application is not receiveing it.
> 
> 
> Nor should it.
> 
> 
> Gambit
> 
> 
What my service will do is to continously capture frames from the video 
cam. This for a university project - Smart trafic light. So the service 
will capture images from the cameras located on junctions.
  I will then write an application to either ask the service to 
start/stop capture frames, capture to AVI, change the parameters so on 
and so forth.


Azrin
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Date: Fri, 05 Nov 2004 09:07:40 +0800
From: Azrin Aris <azrin_aris@yahoo.com>
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Subject: Re: How to communicate with Service Application
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