c# Console application blinking text message untill specific process complete

Question

I have following c# .net 2.0 code i want to show a big ASCII text Installing... Want to show in Red And Green colors using 5 seconds delay. Just want to stop message after P1 process exited how to do this?

    public static void Main(string[] args)
    {
        Process p1 = new Process();
        p1.StartInfo.UseShellExecute = true;
        p1.StartInfo.FileName = fullName;
        p1.Start(); 
        {           
        string textToEnter = @" Installing... ";

        using (StringReader reader = new StringReader(textToEnter))
        {
   foreach (ConsoleColor c in Enum.GetValues(typeof(ConsoleColor)))
            {
                Console.ForegroundColor = c;
                Console.WriteLine(textToEnter2);
                Thread.Sleep(1000); // 1 sec. deley
                Console.Clear();
            }
        }
        }
        p1.WaitForExit();