private static extern bool GetLastInputInfo(ref LASTINPUTINFO plii);
private void CheckIdle()
{
LASTINPUTINFO lastInput = new LASTINPUTINFO();
lastInput.cbSize = (uint)System.Runtime.InteropServices.Marshal.SizeOf(lastInput);
if (!GetLastInputInfo(ref lastInput))
{
return;
}
uint idleTicks = (uint)Environment.TickCount - lastInput.dwTime;
if (idleTicks > IdleThresholdMs)
{
if (!isIdle)
{
isIdle = true;
AddEntry(DateTime.Now.AddMilliseconds(-idleTicks), ActivityType.IdleStart);
}
}
else
{
if (isIdle)
{
isIdle = false;
AddEntry(DateTime.Now.AddMilliseconds(-idleTicks), ActivityType.IdleEnd);
}
}
}