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you can do a PostThreadMessage... using win api<br />
<br />
what exactly are you trying do do?<br />
how are the 2 apps related?<br />
<br />
hth,<br />
A.
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you can do a PostThreadMessage... using win api

what exactly are you trying do do?
how are the 2 apps related?

hth,
A.

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Well, the service starts a task every 12 hours, and the application provides a small UI to the service's properties, such as how often it should run, starting/stopping the service etc.<br />
<br />
I want to be able to force the service to start running a task now, via the application.<br />
<br />
Changing the settings is done by changing registry entries - which the service checks for when next starting a task.
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Well, the service starts a task every 12 hours, and the application provides a small UI to the service's properties, such as how often it should run, starting/stopping the service etc.

I want to be able to force the service to start running a task now, via the application.

Changing the settings is done by changing registry entries - which the service checks for when next starting a task.

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Look into MSMQ. &nbsp;A reliable way to communicate with your service
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Look into MSMQ.  A reliable way to communicate with your service

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Is service a .Net service or Win32 ??
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<div class="content wysiwyg-content">
I need to send a message to a Windows Service while it's running.<br />
<br />
I'm sending the message from a c# app, and the windows service is running as SYSTEM and is also a C# app.<br />
<br />
Anyway of communicating with it will do...
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I need to send a message to a Windows Service while it's running.

I'm sending the message from a c# app, and the windows service is running as SYSTEM and is also a C# app.

Anyway of communicating with it will do...

How can I send a message to a Windows Service?

C# is an object-oriented programming language created in conjunction with Microsoft’s .NET framework. Compilation is usually done into the Microsoft Intermediate Language (MSIL), which is then JIT-compiled to native code (and cached) during execution in the Common Language Runtime (CLR).