private void updatePatrols()
{
if (!this.Visible)
{
return;
}
Trace.WriteLine("FPatrols.updatePatrols() started on thread " +
Thread.CurrentThread.Name + "\" ( " +
Thread.CurrentThread.ManagedThreadId.ToString() + " )");
if (this.updatePatrolThreadsRunning > 1)
{
return;
}
Interlocked.Increment(ref updatePatrolThreadsRunning);
Trace.WriteLine("FPatrols.updatePatrols() locking \"" +
"UpdatingPatrols\" on thread \"" +
Thread.CurrentThread.Name + "\" ( " +
Thread.CurrentThread.ManagedThreadId.ToString() + " )");
bool result = Monitor.TryEnter(UpdatingPatrols);
if (result == false)
{
return;
}
lock (UpdatingPatrols)
{
Trace.WriteLine("FPatrols.updatePatrols() locked \"" +
"UpdatingPatrols\" on thread \"" +
Thread.CurrentThread.Name + "\" ( " +
Thread.CurrentThread.ManagedThreadId.ToString() + " )");
try
{
this.patrolsDs = new Allberg.Shooter.Windows.DatasetPatrols();
this.patrolsDs.Clear();
foreach (Structs.Patrol patrol in CommonCode.GetPatrols())
{
DatasetPatrols.PatrolsRow row =
patrolsDs.Patrols.NewPatrolsRow();
row.Class = patrol.PClass.ToString();
if (patrol.LockedForAutomatic)
{
row.Class += "-S";
}
row.Id = patrol.PatrolId;
row.NumberOfCompetitors =
CommonCode.GetCompetitorsCountPatrol(patrol);
row.NumberOfCompetitorsWithResult =
CommonCode.GetCompetitorsWithResultCountPatrol(patrol);
row.Starttime = patrol.StartDateTime;
row.StartTimeDisplay = patrol.StartDateTimeDisplay;
row.NrOfArrived = CommonCode.GetCompetitorsArrivedCountPatrol(patrol);
patrolsDs.Patrols.AddPatrolsRow(row);
}
if (this.InvokeRequired)
{
this.Invoke(UpdateNrOfPatrols, new object[] { this.patrolsDs.Patrols.Count });
this.Invoke(DatasetBindToDataGrid);
}
else
{
UpdateNrOfPatrols(this.patrolsDs.Patrols.Count);
datasetBindToDataGrid();
}
}
catch (ApplicationException)
{
// Occurs where there is no patrol. Do nothing
}
catch (Exception exc)
{
Console.WriteLine(exc.ToString());
}
finally
{
Interlocked.Decrement(ref updatePatrolThreadsRunning);
}
Trace.WriteLine("FPatrols.updatePatrols() unlocking \"" +
"UpdatingPatrols\" on thread \"" +
Thread.CurrentThread.Name + "\" ( " +
Thread.CurrentThread.ManagedThreadId.ToString() + " )");
Trace.WriteLine("FPatrols.updatePatrols() ended.");
}
Monitor.Exit(UpdatingPatrols);
}