C# set the variable to true after run successfully and check before it execute program next time

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C#

In this program, I first set the variable isSuccess to false. After the program run successfully, the variable will become true.

The next thing that I want to continue is for the next time, before start to run the program, I need to get the variable first. If the variable belongs to true, proceed with the program, else the program will stop.

How I get the 'true' variable when I run it next time and let the program know that it should proceed since the variable is true? as I had set the default variable to false. Any suggestion?

What I have tried:

public static bool isSuccess = false;

if (args.Length > 0)
{
    foreach (var m in args)
    {
            var argum = m.ToString();
            if (argum.Contains("-main"))
            {
                .....

                Console.WriteLine("Start");
                foreach (var a in Query.WorkItem)
                {
                    workitemList.Add(a.id);
                }
                Info(xml, workitemList, RestAPI);
                Console.WriteLine("Complete");
                isSuccess = true;
            }
            else if (argum.Contains("-sub"))
            {
                .....
                //run complete
                isSuccess = true;
            }
    }
}
else
{
    return;
}