C# (CSharp) BankAccountLockObject примеры использования

Пример #1

 void DoubleBalance(BankAccount acct)
 {
     lock (acct.lk)
     {
         acct.Balance = acct.Balance * 2;
     }
 }

Пример #2

 void DoubleBalance(BankAccount acct)
 {
     acct.Balance = acct.Balance * 2;
 }