.NET 4.0 Generics Beginner's Guide

Time for action – making our bank queue simulator more useful

Follow the given steps:

1. Add the following two controls in the form, as shown in the following screenshot:
   
2. Change the code in timer1_Tick as shown:

   Replace listBox1.Items.Add(pendingToken); with

   float expectedDelay = tickets.ToList().IndexOf(pendingToken) * 10;
   listBox1.Items.Add(pendingToken +  " Approximate Waiting time " + expectedDelay  + " seconds");

3. Add the following variable in the Form1 class:

   string pendingStatusTemplate = "Next three tokens are [Queue]";

4. Add a timer. Name it timer_2 and add the following code to it. Activate the timer and set the time interval for 2 seconds:

   private void ...