Simple C# API Client for the Google Search Suggestions API

SearchSuggestionsAPI.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Threading.Tasks;
using System.Xml.Linq;

namespace ConsoleApplication1
{
  public class SearchSuggestionsAPI
	{
		/// <summary>
		/// The Google Suggest search URL.
		/// </summary>
		/// <remarks>
		/// Add gl=dk for Google Denmark. Add lr=lang_da for danish results. Add hl=da to indicate the language of the UI making the request.
		/// </remarks>
		private const string _suggestSearchUrl = "http://www.google.com/complete/search?output=toolbar&q={0}&hl=en";

		/// <summary>
		/// Gets the search suggestions from Google.
		/// </summary>
		/// <param name="query">The query.</param>
		/// <returns>A list of <see cref="GoogleSuggestion"/>s.</returns>
		public async Task<List<GoogleSuggestion>> GetSearchSuggestions(string query)
		{
			if (String.IsNullOrWhiteSpace(query))
			{
				throw new ArgumentException("Argument cannot be null or empty!", "query");
			}

			string result = String.Empty;

			using (HttpClient client = new HttpClient())
			{
				result = await client.GetStringAsync(String.Format(_suggestSearchUrl, query));
			}

			XDocument doc = XDocument.Parse(result);

			var suggestions = from suggestion in doc.Descendants("CompleteSuggestion")
												select new GoogleSuggestion
												{
													Phrase = suggestion.Element("suggestion").Attribute("data").Value
												};

			return suggestions.ToList();
		}
	}

	/// <summary>
	/// Encapsulates a suggestion from Google.
	/// </summary>
	public class GoogleSuggestion
	{
		/// <summary>
		/// Gets or sets the phrase.
		/// </summary>
		/// <value>The phrase.</value>
		public string Phrase { get; set; }

		/// <summary>
		/// Returns a <see cref="System.String"/> that represents this instance.
		/// </summary>
		/// <returns>
		/// A <see cref="System.String"/> that represents this instance.
		/// </returns>
		public override string ToString()
		{
			return this.Phrase;
		}
	}
}

is there anyone can tell me how to use this in C#

https://github.com/DineshSolanki/SearchSuggestionsAPI