For testing, I set the screensaver to 1 minute and required a password. I tried capturing SC_SCREENSAVE and returning -1 in VB .Net. As commented, it works when there is no screensaver password but fails if the screensaver password is active. (I tried it in Windows XP). I also put this into a Timer’s tick … Read more
Not sure if there is a better .NET solution but here is how you could use that API: The required usings: using System.Runtime.InteropServices; The P/Invoke: public const uint ES_CONTINUOUS = 0x80000000; public const uint ES_SYSTEM_REQUIRED = 0x00000001; public const uint ES_DISPLAY_REQUIRED = 0x00000002; [DllImport(“kernel32.dll”, SetLastError = true)] public static extern uint SetThreadExecutionState([In] uint esFlags); And … Read more