C# (CSharp) FLServer DPCLoginState примеры использования

Пример #1

 public static DPCLoginState Instance()
 {
     return(_instance ?? (_instance = new DPCLoginState()));
 }

Пример #2

 public static DPCLoginState Instance()
 {
     if (instance == null)
         instance = new DPCLoginState();
     return instance;
 }