Turn OFF screen saver programmatically

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C#3.5

To turn on screen saver programmatically, I found the following code(C# .NET framework 3.5) by Googling

[DllImport("User32.dll")]
public static extern int SendMessage
(IntPtr hWnd,
uint Msg,
uint wParam,
uint lParam);
public const uint WM_SYSCOMMAND = 0x112;
public const uint SC_SCREENSAVE = 0xF140;
public enum SpecialHandles
{
HWND_DESKTOP = 0x0,
HWND_BROADCAST = 0xFFFF
}
public static void TurnOnScreenSaver()
{
SendMessage(
new IntPtr((int)SpecialHandles.HWND_BROADCAST),
WM_SYSCOMMAND,
SC_SCREENSAVE,
0);
}

This code works fine to turn on screen saver.

I need another method like TurnOnScreenSaver() that stops the screen saver. I wanna turn on the screen saver first (already done) then on a specific condition I wanna turn off the screen saver and continue the process(on and off). I don't wanna use Timer.