C#

List<myClass> questions = new List<myClass>;
myClass question = new myClass(ReadQuestionFromXML());
questions.Add(question);

try
{
  using ( var work = Dao.GetUnitOfWork() )
  {
    try
    {
      throw new Exception( "Wanted Exception" );
    }
    catch ( Exception x )
    {
      work.ExceptionWasThrown( x );
      throw;
    }
  }
}
catch { ... }

try
{
  using ( var work = Dao.GetUnitOfWork() )
  {
    throw new Exception( "Wanted Exception" );

    work.Commit();
  }
}
catch { ... }

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Be excellent to each other

using ( Dao.GetUnitOfWork() )
{
    Console.WriteLine("Everything works");
} // <-- Dispose method called, should call "Commit"

using ( Dao.GetUnitOfWork() )
{
    Console.WriteLine("code always called");
    throw new Exception( "Wanted Exception" );
    Console.WriteLine("code never called");
} // <-- Dispose method called right after exception, should call "Rollback"

//In my UnitOfWork object:
        public void Dispose()
        {
            if (???) //I need to know here if I'm in an error context!!
                Commit();
            else
                Rollback();

        }

 // no exception
using ( var work = Dao.GetUnitOfWork() )
{
  Console.WriteLine( "Everything works" );

  work.RegisterSuccess(); // always last line of using block
}

 // exception thrown
using ( var work = Dao.GetUnitOfWork() )
{
  throw new Exception();

  work.RegisterSuccess(); // always last line of using block
}

partial class UnitOfWork
{
  private bool _Success = false;

  public void RegisterSuccess() { _Success = true; }

  public void Dispose()
  {
    if ( _Success )
      Commit();
    else
      Rollback();
  }
}

----------------------------------
Be excellent to each other

Antoine Jaussoin wrote:

Many thanks anyway for your input!

----------------------------------
Be excellent to each other

List<System.Diagnostics.EventLogEntry> entries = new List<System.Diagnostics.EventLogEntry>();
// all sources
foreach (System.Diagnostics.EventLog eLog in System.Diagnostics.EventLog.GetEventLogs())
    foreach (System.Diagnostics.EventLogEntry entry in eLog.Entries)
        entries.Add(entry);

IEnumerable<System.Diagnostics.EventLogEntry> distinct = entries.Distinct();

// specific source
entries = new List<System.Diagnostics.EventLogEntry>();
foreach (System.Diagnostics.EventLog eLog in System.Diagnostics.EventLog.GetEventLogs())
    foreach (System.Diagnostics.EventLogEntry entry in eLog.Entries)
        if (entry.Source == "TFSShellExt")
            entries.Add(entry);

IEnumerable<System.Diagnostics.EventLogEntry> distinct2 = entries.Distinct();

The only programmers that are better C# programmers, are those who look like this ->

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