using System.Runtime.InteropServices;
using System.Text;

public class Program
{
    [DllImport("kernel32")]
    private static extern int GetPrivateProfileString(string section,string key,string def,StringBuilder retVal,int size,string filePath);

    [DllImport("kernel32.dll")]
    public static extern void GetSystemTimeAsFileTime(out long systemTimeAsFileTime);

    public static void Main()
    {
        long time;
        GetSystemTimeAsFileTime(out time);
        
        var RetVal = new StringBuilder(255);
        GetPrivateProfileString("since_start", "gather", "" , RetVal, 255, "./timer.ini");

        long last = long.Parse(RetVal.ToString());

        string old = System.Windows.Forms.Clipboard.GetText();
        if (time - last >= 6000000000) System.Windows.Forms.Clipboard.SetText("end");
    }
}

using System.Runtime.InteropServices;
using System.Text;

public class Program
{
    [DllImport("kernel32")]
    private static extern int GetPrivateProfileString(string section,string key,string def,StringBuilder retVal,int size,string filePath);

    [DllImport("kernel32.dll")]
    public static extern void GetSystemTimeAsFileTime(out long systemTimeAsFileTime);

    public static void Main()
    {
        long time;
        GetSystemTimeAsFileTime(out time);
        
        var RetVal = new StringBuilder(255);
        GetPrivateProfileString("since_start", "gather", "" , RetVal, 255, "./timer.ini");

        long last = long.Parse(RetVal.ToString());

        string old = System.Windows.Forms.Clipboard.GetText();
        if (time - last >= 6000000000) System.Windows.Forms.Clipboard.SetText("end");
    }
}