Deserializing with WP7 C#

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           *** DESIGNED/WRITTEN REGARDING FOURSQUARE API AS AN EXAMPLE BY LANCE SEIDMAN ***

The API will NOT work without signing up as a Dev and will NOT work without Authorizing via OAuth. No
current work-around as far as OAuth as it authorizes access to the API for your App.

Using the coding structure provided assumes you've already forced Auth and can now perform API Tasks.
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1). Choose the URL you're trying to use for your specific section of your App, in this case I have chosen to
get/use a Users Profile (accessing the defined ID for details about the account).

+ URL: https://api.foursquare.com/v2/users/<ID_NUMBER>?oauth_token=<Auth_Code_Here>

2). In this segment, I want to get the User First/Last Name and Gender. Below will show you what must be done.

We need to setup classes and I assume you already know how to do the basics and grab the contents using WebClient of the URL. With that being said, your classes should look similar to this:

public class UserResults
{
    public response[] response { get; set; } // Looking for response and it's content.
}

public class response
{
   user[] user { get; set; } // This says we are looking for "user" content/section.
}

public class user
{
   int id { get; set; } // This is the "ID" of the profile/user.
   string firstName { get; set; } // This is the First Name Field.
   string lastName { get; set; } // This is the Last Name Field.
   string gender { get; set; } // This is the Gender Field (Result: male/female)
}

3). Remember to use WebClient, it is as easy as this:

WebClient client = new WebClient(); // Creates a new instance and calls it "client" for accessing.
client.OpenReadCompleted += new OpenReadCompletedEventHandler(client_OpenReadCompleted); /* Send data
to a specific function once the event has finished (completed). */
client.OpenReadAsync(new Uri("https://api.foursquare.com/v2/users/<ID_NUMBER>?oauth_token=<Auth_Code_Here>")); // This inserts the URI for it to grab the Data from.

4). That is it... Now, if you're not sure how to really deserialize easily, I have put one of the better ways below NOT USING JSON.NET.

var serializer = new DataContractJsonSerializer( typeof(UserResults) );
var infoGrab = (UserResults)serializer.ReadObject( eargs.Result ); // Some cases it could be e.Result.

Tip: Why have I used the eargs opposed to e.Result? I normally do a lambda statement where I have a callback function that looks like:

client.OpenReadCompleted += (s, eargs ) =>
{
// DeSerializing Code Here
};

var uri = new Uri("<Address to API>");
client.OpenReadAsync( uri );
}

5). You're done! Good luck and enjoy your future programming with C# and WP7 but most of all, thanks for being apart of the UserCommunity with programmers like you, myself and others alike! Remember to thank L.K. as she was the one who asked :).

Sincerely,
Lance Seidman
Blog: http://lance.compulsivetech.biz
Twitter: @LanceSeidman