/// <summary>
/// Provides a global access point for the single instance of the <see cref="Client"/>
/// class.
/// </summary>
/// <returns>A reference to the single instance of <see cref="Client"/>.</returns>
public static Client Instance()
{
if (instance==null)
{
lock(typeof(Client))
{
if( instance == null )
{
instance = new Client();
}
}
}
return instance;
}