问个组件服务的问题SystemEnterpriseServiceServicedComponent

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问题： 问个组件服务的问题SystemEnterpriseServiceServicedComponent
描述:

using System.EnterpriseServices;
using System.Runtime.CompilerServices;
using System.Reflection;
// Supply the COM+ application name.
[assembly: ApplicationName("BankComponent")]
// Supply a strong-named assembly.
[assembly: AssemblyKeyFileAttribute("BankComponent.snk")]
namespace BankComponent
{
      [Transaction(TransactionOption.Required)]
      public class Account : ServicedComponent
      {
            [AutoComplete] 
            public bool Post(int accountNum, double amount)
            {
                /* Updates the database; no need to call SetComplete.
                   Calls SetComplete automatically if no exception is
                   generated. */
            return false;     
            } 
      }
}
using BankComponent;
namespace BankComponentConsoleClient
{
      class Client
      {
            public static int Main() 
            {
                  try
                  {
                        Account act = new Account();
                        // Post money into the account.
                        act.Post(5, 100);
                        return(0);
                  }
                  catch
                  {
                        return(1);
                  }
            }
      }
}

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