/// <summary>
/// Get system idle time.
/// </summary>
/// <returns>Returns tick counts system has been idle in milliseconds.</returns>
public uint GetIdleTime()
{
NativeMethods.LASTINPUTINFO lastInPut = new NativeMethods.LASTINPUTINFO();
lastInPut.cbSize = (uint)System.Runtime.InteropServices.Marshal.SizeOf(lastInPut);
NativeMethods.GetLastInputInfo(ref lastInPut);
return ((uint)Environment.TickCount - lastInPut.dwTime);
}
/// <summary>
/// Get system last input time.
/// </summary>
/// <returns>Returns system last input time.</returns>
public long GetLastInputTime()
{
NativeMethods.LASTINPUTINFO lastInPut = new NativeMethods.LASTINPUTINFO();
lastInPut.cbSize = (uint)System.Runtime.InteropServices.Marshal.SizeOf(lastInPut);
if (!NativeMethods.GetLastInputInfo(ref lastInPut))
{
throw new Exception(NativeMethods.GetLastError().ToString());
}
return lastInPut.dwTime;
}