This print for content only-size & color not accurate 7" X 9-1/4" / casebound / malloy

■

A N   I N T R O D U C T I O N  TO   L I N Q

469

8849CH14.qxd  9/26/07  12:30 PM  Page 469

---

Given this point, you may wonder exactly how you could return a query result to an external

caller. The answer is it depends. If you have a result set consisting of strongly typed data (such as an

array of strings, a List of Cars, or whatnot), you could abandon the use of the var keyword and

using a proper IEnumerable or IEnumerable type (again, as IEnumerable extends IEnumerable).

Consider the following example for a new .NET 3.5 Console Application named LinqRetValues:

class Program

{

static void Main(string[] args)

{

Console.WriteLine("***** LINQ Transformations *****\n");

IEnumerable subset = GetStringSubset();

foreach (string item in subset)

{

Console.WriteLine(item);

}

Console.ReadLine();

}

static IEnumerable GetStringSubset()

{

string[] currentVideoGames = {"Morrowind", "BioShock",

"Half Life 2: Episode 1", "The Darkness",

"Daxter", "System Shock 2"};