How to prevent Windows from entering idle state?

Question

I am working on a C# application which runs in the background without any Windows control.

I want to notify Windows that my application is still alive to prevent Win

Answer 1

You can use SetThreadExecutionState described here:

• SetThreadExecutionState Function

Since it is a Win32 API function, to use it from C# you'll need to PInvoke it. The steps are described here, including a sample method PreventSleep to temporarily disable sleep mode:

• PInvoke.net: setthreadexecutionstate (kernel32)