Programming PERL in the .NET Environment

Case Study

We conclude this survival guide with a somewhat larger example that illustrates the concepts we have already discussed and also introduces a few additional features of C#. Our example is a version of the Stock Management System that we have used as a case study throughout the second part of this book. The sample code is in the folder StockManager.

StockDefs.cs

The file StockDefs.cs defines an enumeration, a structure, and an interface that are used in the system.

// StockDefs.cs

using System.Collections;

public enum ItemStatus :  byte
{
   NotFound,   // 0 implicitly
   NotEnough,  // 1 implicitly
   Ok = 5      // explicit value
}

public struct StockItemStruct
{
   public int Id;
   public string Name;
   public int Count;
}

public interface IStock { int AddItem(string ...