public static IdleTimeInfo GetIdleTimeInfo()
{
var systemUptime = Environment.TickCount;
var idleTicks = 0;
var lastInputInfo = new LASTINPUTINFO();
lastInputInfo.cbSize = (uint)Marshal.SizeOf(lastInputInfo);
lastInputInfo.dwTime = 0;
if (GetLastInputInfo(ref lastInputInfo))
{
var lastInputTicks = (int)lastInputInfo.dwTime;
idleTicks = systemUptime - lastInputTicks;
}
return new IdleTimeInfo
{
LastInputTime = DateTime.Now.AddMilliseconds(-1 * idleTicks),
IdleTime = new TimeSpan(0, 0, 0, 0, idleTicks),
SystemUptimeMilliseconds = systemUptime,
};
}
static extern bool GetLastInputInfo(ref LASTINPUTINFO plii);