/* program to (re)set cursors after changing the cursor files, optionally to change the cursor base size
   Windows uses 32, 48, 64 etc. You can use any value you like, but I suggest sticking to those values, as otherwise 
   Windows will have to rescale the cursors
*/
using System;
using System.Globalization;
using System.Runtime.InteropServices;

using System.Reflection;

// edit this if you change the program, so you know the compiled version is different

[assembly: AssemblyTitle("reset cursors, optionally change base size")]
[assembly: AssemblyCompany("skeptic Mike")]
[assembly: AssemblyProduct("resetCursors")]
[assembly: AssemblyVersion("0.1.0.0")]
[assembly: AssemblyFileVersion("0.1.0.0")]

namespace setCursors
{
class Program
    {
        
        [DllImport("user32.dll", SetLastError = true)]
        static extern bool SystemParametersInfo(int uiAction, int uiParam, int pvParam, int fWinIni);
        
        static void Main(string[] args)
        {
            const int SPI_SETCURSORS = 0x0057;
            const int SPIF_UPDATEINIFILE = 0x01;
            const int SPIF_SENDCHANGE = 0x02;
            
            // see https://stackoverflow.com/questions/60104778/change-and-update-the-size-of-the-cursor-in-windows-10-via-powershell/69687213#69687213
            // for cursor size changing
            
            int baseSize = 0;
            int arg0 = 0;
            if (args.Length == 1)
            {
                if (int.TryParse(args[0], NumberStyles.Integer, CultureInfo.InvariantCulture, out arg0) && arg0 >= 32  && arg0 <= 256)
                {
                    baseSize = arg0;
                    SystemParametersInfo(0x2029, 0, baseSize, SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);
                }

            }

            SystemParametersInfo(SPI_SETCURSORS, 0, 0, SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);
        }
    }
}