/// <summary>
/// Updates the display with a new value for a monitored variable.
/// </summary>
private void MonitoredItem_Notification(MonitoredItem monitoredItem, MonitoredItemNotificationEventArgs e)
{
if (this.InvokeRequired)
{
this.BeginInvoke(new MonitoredItemNotificationEventHandler(MonitoredItem_Notification), monitoredItem, e);
return;
}
try
{
EventFieldList notification = e.NotificationValue as EventFieldList;
if (notification == null)
{
return;
}
// check the type of event.
NodeId eventTypeId = ClientUtils.FindEventType(monitoredItem, notification);
// ignore unknown events.
if (NodeId.IsNull(eventTypeId))
{
return;
}
// construct the audit object.
SystemCycleStatusEventState status = ClientUtils.ConstructEvent(
m_session,
monitoredItem,
notification,
m_knownEventTypes,
m_eventTypeMappings) as SystemCycleStatusEventState;
if (e == null)
{
return;
}
ListViewItem item = new ListViewItem(String.Empty);
item.SubItems.Add(String.Empty); // Source
item.SubItems.Add(String.Empty); // Type
item.SubItems.Add(String.Empty); // CycleId
item.SubItems.Add(String.Empty); // Step
item.SubItems.Add(String.Empty); // Time
item.SubItems.Add(String.Empty); // Message
// look up the condition type metadata in the local cache.
INode type = m_session.NodeCache.Find(status.TypeDefinitionId);
// Source
if (status.SourceName != null)
{
item.SubItems[0].Text = Utils.Format("{0}", status.SourceName.Value);
}
else
{
item.SubItems[0].Text = null;
}
// Type
if (type != null)
{
item.SubItems[1].Text = Utils.Format("{0}", type);
}
else
{
item.SubItems[1].Text = null;
}
// CycleId
if (status.CycleId != null)
{
item.SubItems[2].Text = Utils.Format("{0}", status.CycleId.Value);
}
else
{
item.SubItems[2].Text = null;
}
// Step
if (status.CurrentStep != null && status.CurrentStep.Value != null)
{
item.SubItems[3].Text = Utils.Format("{0}", status.CurrentStep.Value.Name);
}
else
{
item.SubItems[3].Text = null;
}
// Time
if (status.Time != null)
{
item.SubItems[4].Text = Utils.Format("{0:HH:mm:ss.fff}", status.Time.Value.ToLocalTime());
}
else
{
item.SubItems[4].Text = null;
}
// Message
if (status.Message != null)
{
item.SubItems[5].Text = Utils.Format("{0}", status.Message.Value);
}
else
{
item.SubItems[5].Text = null;
}
item.Tag = status;
EventsLV.Items.Add(item);
// adjust the width of the columns.
for (int ii = 0; ii < EventsLV.Columns.Count; ii++)
{
EventsLV.Columns[ii].Width = -2;
}
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
}
