private void OutputWindow_FormClosed(object sender, FormClosedEventArgs e)
{
m_subscription.Delete(false);
m_subscription = null;
monitoredItems = new List <MonitoredItem>();
subscriptionOutputWindow = null;
}
private void subscribeToolStripMenuItem_Click(object sender, EventArgs e)
{
try
{
GetTanks();
if (m_session == null)
{
return;
}
if (m_subscription != null)
{
m_session.RemoveSubscription(m_subscription);
m_subscription = null;
}
if (m_subscription == null)
{
m_subscription = new Subscription();
m_subscription.PublishingEnabled = true;
m_subscription.PublishingInterval = 1000;
m_subscription.Priority = 1;
m_subscription.KeepAliveCount = 10;
m_subscription.LifetimeCount = 20;
m_subscription.MaxNotificationsPerPublish = 1000;
m_session.AddSubscription(m_subscription);
m_subscription.Create();
}
if (monitoredItem == null)
{
monitoredItem = new MonitoredItem(m_subscription.DefaultItem);
monitoredItem.StartNodeId = monitoredItem.AttributeId = Attributes.Value;
monitoredItem.MonitoringMode = MonitoringMode.Reporting;
monitoredItem.SamplingInterval = 1000;
monitoredItem.QueueSize = 0;
monitoredItem.DiscardOldest = true;
// define event handler for this item, and then add to subscription
monitoredItem.Notification += new MonitoredItemNotificationEventHandler(monitoredItem_Notification);
m_subscription.AddItem(monitoredItem);
}
m_subscription.ApplyChanges();
if (outputWindow == null)
{
outputWindow = new SubscriptionOutput();
}
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
}
private void subscribeToolStripMenuItem_Click(object sender, EventArgs e)
{
if ((NodeId)BrowseCTRL.SelectedNode.NodeId != null)
{
if (subscriptionOutputWindow == null)
{
subscriptionOutputWindow = new SubscriptionOutput();
}
if (m_subscription == null)
{
m_subscription = new Subscription(m_session.DefaultSubscription);
m_subscription.PublishingEnabled = true;
m_subscription.PublishingInterval = 1000;
m_session.AddSubscription(m_subscription);
m_subscription.Create();
}
if (monitoredItems.Count == 0)
{
if (BrowseCTRL.GetChildOfSelectedNode(0) != null)
{
BrowseDescription nodeToBrowse = new BrowseDescription();
nodeToBrowse.NodeId = (NodeId)BrowseCTRL.SelectedNode.NodeId;
nodeToBrowse.BrowseDirection = BrowseDirection.Forward;
nodeToBrowse.ReferenceTypeId = Opc.Ua.ReferenceTypeIds.HierarchicalReferences;
nodeToBrowse.IncludeSubtypes = true;
//nodeToBrowse.NodeClassMask = (uint)(NodeClass.Object);
nodeToBrowse.ResultMask = (uint)(BrowseResultMask.All);
ReferenceDescriptionCollection references = ClientUtils.Browse(m_session, nodeToBrowse, false);
subscriptionOutputWindow.label1.Text = "You selected a folder: these are the child nodes:\n";
foreach (var item in references)
{
var mi = new MonitoredItem(m_subscription.DefaultItem);
mi.StartNodeId = (NodeId)item.NodeId;
mi.AttributeId = Attributes.DisplayName;
mi.MonitoringMode = MonitoringMode.Reporting;
mi.SamplingInterval = 1000;
mi.QueueSize = 0;
mi.DiscardOldest = true;
mi.Notification += new MonitoredItemNotificationEventHandler(Mi_Notification);
monitoredItems.Add(mi);
}
}
else
{
var mi = new MonitoredItem(m_subscription.DefaultItem);
mi.StartNodeId = (NodeId)BrowseCTRL.SelectedNode.NodeId;
mi.AttributeId = Attributes.Value;
mi.MonitoringMode = MonitoringMode.Reporting;
mi.SamplingInterval = 1000;
mi.QueueSize = 0;
mi.DiscardOldest = true;
mi.Notification += new MonitoredItemNotificationEventHandler(Mi_Notification);
// define event handler for this item, and then add to subscription
mi.Notification += new MonitoredItemNotificationEventHandler(monitoredItem_Notification);
monitoredItems.Add(mi);
}
m_subscription.AddItems(monitoredItems);
}
subscriptionOutputWindow.Show();
subscriptionOutputWindow.FormClosed += OutputWindow_FormClosed;
m_subscription.ApplyChanges();
}
}
private void subscribeToolStripMenuItem_Click(object sender, EventArgs e)
{
try
{
if (m_session == null)
{
return;
}
if (m_subscription != null)
{
m_session.RemoveSubscription(m_subscription);
m_subscription = null;
}
m_subscription = new Subscription();
m_subscription.PublishingEnabled = true;
m_subscription.PublishingInterval = 5000;
m_subscription.Priority = 1;
m_subscription.KeepAliveCount = 10;
m_subscription.LifetimeCount = 20;
m_subscription.MaxNotificationsPerPublish = 5000;
m_session.AddSubscription(m_subscription);
m_subscription.Create();
for (int ii = 0; ii < tanksRef.Count; ii++)
{
// filter the node (should be the tank)
if (tanksRef[ii].BrowseName.Name.Contains(TankDataTypes.tanks))
{
BrowseDescription n = new BrowseDescription();
n.NodeId = (NodeId)tanksRef[ii].NodeId;
n.BrowseDirection = BrowseDirection.Forward;
n.IncludeSubtypes = true;
n.NodeClassMask = (uint)(NodeClass.Variable);
n.ResultMask = (uint)(BrowseResultMask.All);
ReferenceDescriptionCollection props = ClientUtils.Browse(
m_session,
n,
false);
if (props.Count > 0)
{
for (int jj = 0; jj < props.Count; jj++)
{
// filter the Properties of the tank
if (TankDataTypes.containsProp(props[jj].DisplayName.Text))
{
MonitoredItem monitoredItem = new MonitoredItem();
monitoredItem.StartNodeId = (NodeId)props[jj].NodeId;
monitoredItem.DisplayName = props[jj].BrowseName.Name;
monitoredItem.AttributeId = Attributes.Value;
monitoredItem.Notification += new MonitoredItemNotificationEventHandler(monitoredItem_Notification);
m_subscription.AddItem(monitoredItem);
}
}
}
}
}
m_subscription.ApplyChanges();
if (outputWindow == null)
{
outputWindow = new SubscriptionOutput();
}
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
}
