问如何创建垂直堆栈组织结构图

EN

// using recursive function.

    static void Get_Geneology(Employee manager, int Level = 0)  // find all genealogy (kid to great grandkids or employee under a manager down the pyramid)
    {
        string indentLines = new string(' ', Level * 2);
        var managedEmployees = Employees.Where(e => e.Manager_ID == manager.Emp_ID); // 1st call. look all employees under a Manager. or all kids of a father.
        Console.WriteLine($"{indentLines} {Level + 1}-{manager.FirstName}{(managedEmployees.Count() > 0 ? "*" : "")}"); // with * after name mean that person manage sombody or father have kid(s)

        foreach (var employee in managedEmployees) Get_Geneology(employee, Level + 1);   // recursive, find all under under (to the deapest of each people geneology for each manager)
    }