Get your Gmail contact list: Справочник по C#

//Instructions: You need the Google Contacts Data API located at http://code.google.com/p/google-gdata/downloads/list

//Follow the directions for setting up the API for use in Visual Studio located here: http://code.google.com/apis/gdata/articles/dotnet_client_lib.html

//Provide the name of your application, your Gmail address and Gmail password to the method for retrieving your contacts

//Import the following Namespace(s):
//System.Collections.Generic
//Google.GData.Client
//Google.Contacts
//Google.GData.Extensions
//Google.GData.Contacts
//First, a small class to hold the data

/// 

/// class to hold the data from our Google contacts
/// 
public class GoogleContacts
{
public string title { get; set; }
public string email { get; set; }
public string im { get; set; }
}

//Next method for retrieving the contacts

/// 

/// method for retrieving all contacts in a persons Google Mail address book
/// 
/// the application making the request/// username of the account/// password of the account/// 
public static List GetGoogleContacts(string appName, string un, string pwd)
{
//list to hold all contacts returned
List contactList = new List();

//create an instance of the request settings
RequestSettings settings = new RequestSettings(appName, un, pwd);
//set AutoPaging to true so we get all the contacts
settings.AutoPaging = true;

//now send ouor request for contacts
ContactsRequest request = new ContactsRequest(settings);

//retrieve the contacts returned
Feed feed = request.GetContacts();

//here we will loop through all the contacts returned and add them to our list
foreach (Contact contact in feed.Entries)
{
GoogleContacts c = new GoogleContacts();
c.title = string.IsNullOrEmpty(contact.Title) ? "Name Not Present" : contact.Title;
c.email = contact.Emails[0].Address;
c.im = contact.IMs.Count == 0 ? "IM Address Not Present" : contact.IMs[0].Address;

contactList.Add(c);
}
return contactList;
}

//Sample usage
static void Main(string[] args)
{
List list = GetGoogleContacts("GoogleTest", "YourGmailAddress", "YourGmailPassword");

Console.WriteLine("Total Contacts Retrieved: " + list.Count());
Console.WriteLine("************************************************");
Console.WriteLine();

foreach (GoogleContacts contact in list)
{
Console.WriteLine(contact.title);
Console.WriteLine(contact.email);
Console.WriteLine(contact.im);
Console.WriteLine();
}
Console.ReadLine();
}

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