# https://github.com/sw3103/movemouse/wiki/Troubleshooting#idle-time

Add-Type @'
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;

namespace PInvoke.Win32
{
    public static class UserInput
    {
        [DllImport("user32.dll", SetLastError=false)]
        private static extern bool GetLastInputInfo(ref LASTINPUTINFO plii);

        [StructLayout(LayoutKind.Sequential)]
        private struct LASTINPUTINFO {
            public uint cbSize;
            public int dwTime;
        }

        public static DateTime LastInput
        {
            get
            {
                DateTime bootTime = DateTime.UtcNow.AddMilliseconds(-Environment.TickCount);
                DateTime lastInput = bootTime.AddMilliseconds(LastInputTicks);
                return lastInput;
            }
        }

        public static TimeSpan IdleTime
        {
            get
            {
                return DateTime.UtcNow.Subtract(LastInput);
            }
        }

        public static int LastInputTicks
        {
            get
            {
                LASTINPUTINFO lii = new LASTINPUTINFO();
                lii.cbSize = (uint)Marshal.SizeOf(typeof(LASTINPUTINFO));
                GetLastInputInfo(ref lii);
                return lii.dwTime;
            }
        }
    }
}
'@

while ($true) {
    Write-Progress -Activity:"Watching idle time" -Status:"Last input: $([PInvoke.Win32.UserInput]::LastInput) | Idle time: $([PInvoke.Win32.UserInput]::IdleTime)"
    Start-Sleep -Milliseconds:100
}