c# google search

I get this code in internet and it show
I have this file wsdl.exe on C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Bin



Error      1      The type or namespace name 'GoogleSearchService' could not be found (are you missing a using directive or an assembly reference?)      C:\Users\¿¿¿7\AppData\Local\Temporary Projects\googlesearch\Program.cs      22      9      googlesearch

// googly.cs
// A Google Web API C# console application.
// Usage: googly.exe <query>
// Copyright (c) 2002, Chris Sells.
// No warranties extended. Use at your own risk.
using System;
class Googly
{
    static void Main(string[] args)
    {
        // Your Google API developer's key.
        string googleKey = "insert key here";
        // Take the query from the command line.
        if (args.Length != 1)
        {
            Console.WriteLine("Usage: google.exe <query>");
            return;
        }
        string query = args[0];
        // Create a Google SOAP client proxy, generated by:
        // c:\> wsdl.exe http://api.google.com/GoogleSearch.wsdl
        GoogleSearchService googleSearch = new GoogleSearchService();
        // Query Google.
        GoogleSearchResult results = googleSearch.doGoogleSearch(googleKey,
    query, 0, 10, false, "", false, "", "latin1", "latin1");
        // No results?
        if (results.resultElements == null) return;
        // Loop through results.
        foreach (ResultElement result in results.resultElements)
        {
            Console.WriteLine();
            Console.WriteLine(result.title);
            Console.WriteLine(result.URL);
            Console.WriteLine(result.snippet);
            Console.WriteLine();
        }
    }
}

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