Create Client Context in CSOM (.Net Managed Code)

//Constant values
private const string userName = "[email protected]";
private const string password = "password";
private const string siteURL = "your site url";

//Code which creates context
 ClientContext context = new ClientContext(siteURL);
 Web web = context.Web;
 SecureString pwd = new SecureString();
 foreach (char c in password.ToCharArray()) pwd.AppendChar(c);
 context.Credentials = new SharePointOnlineCredentials(userName, pwd);
 context.Load(web);
 context.ExecuteQuery();
 Console.WriteLine("Authentication Succesful for " + web.Title + " site");
 return context;