private void StandardClient_Server_ReconnectComplete(object sender, EventArgs e)
{
if (InvokeRequired)
{
BeginInvoke(new EventHandler(StandardClient_Server_ReconnectComplete), sender, e);
return;
}
try
{
// ignore callbacks from discarded objects.
if (!Object.ReferenceEquals(sender, m_reconnectHandler))
{
return;
}
m_session = m_reconnectHandler.Session;
m_reconnectHandler.Dispose();
m_reconnectHandler = null;
BrowseCTRL.SetView(m_session, BrowseViewType.Objects, null);
SessionsCTRL.Reload(m_session);
StandardClient_KeepAlive(m_session, null);
}
catch (Exception exception)
{
GuiUtils.HandleException(this.Text, MethodBase.GetCurrentMethod(), exception);
}
}
/// <summary>
/// Displays the dialog.
/// </summary>
public EventFilter ShowDialog(Session session, EventFilter filter, bool editWhereClause)
{
if (session == null)
{
throw new ArgumentNullException("session");
}
if (filter == null)
{
throw new ArgumentNullException("filter");
}
m_session = session;
m_filter = filter;
BrowseCTRL.SetView(m_session, BrowseViewType.EventTypes, null);
SelectClauseCTRL.Initialize(session, filter.SelectClauses);
ContentFilterCTRL.Initialize(session, filter.WhereClause);
FilterOperandsCTRL.Initialize(session, null, -1);
MoveBTN_Click((editWhereClause)?NextBTN:BackBTN, null);
if (ShowDialog() != DialogResult.OK)
{
return(null);
}
return(m_filter);
}
/// <summary>
/// Displays the dialog.
/// </summary>
public void Show(Subscription subscription, bool useTypeModel)
{
if (subscription == null)
{
throw new ArgumentNullException("subscription");
}
Show();
BringToFront();
// remove previous subscription.
if (m_subscription != null)
{
m_subscription.StateChanged -= m_SubscriptionStateChanged;
}
// start receiving notifications from the new subscription.
m_subscription = subscription;
if (subscription != null)
{
m_subscription.StateChanged += m_SubscriptionStateChanged;
}
m_subscription = subscription;
BrowseCTRL.AllowPick = true;
BrowseCTRL.SetView(subscription.Session, (useTypeModel)?BrowseViewType.ObjectTypes:BrowseViewType.Objects, null);
MonitoredItemsCTRL.Initialize(subscription);
}
/// <summary>
/// Displays the dialog.
/// </summary>
public void Show(Session session, ReadValueIdCollection valueIds)
{
if (session == null)
{
throw new ArgumentNullException("session");
}
m_session = session;
BrowseCTRL.SetView(m_session, BrowseViewType.Objects, null);
ReadValuesCTRL.Initialize(session, valueIds);
MoveBTN_Click(BackBTN, null);
Show();
BringToFront();
}
/// <summary>
/// Displays the address space with the specified view
/// </summary>
public void Show(Session session, BrowseViewType viewType, NodeId viewId)
{
if (session == null)
{
throw new ArgumentNullException("session");
}
if (m_session != null)
{
m_session.SessionClosing -= m_SessionClosing;
}
m_session = session;
m_session.SessionClosing += m_SessionClosing;
BrowseCTRL.SetView(session, viewType, viewId);
}
/// <summary>
/// Connects to a server.
/// </summary>
public void Connect(ConfiguredEndpoint endpoint)
{
if (endpoint == null)
{
return;
}
Session session = SessionsCTRL.Connect(endpoint);
if (session != null)
{
m_session = session;
m_session.KeepAlive += new KeepAliveEventHandler(StandardClient_KeepAlive);
BrowseCTRL.SetView(m_session, BrowseViewType.Objects, null);
StandardClient_KeepAlive(m_session, null);
}
}
/// <summary>
/// Displays the dialog.
/// </summary>
public NodeIdCollection ShowDialog(
Session session,
BrowseViewType browseView,
NodeIdCollection nodesIds,
NodeClass nodeClassMask)
{
if (session == null)
{
throw new ArgumentNullException("session");
}
m_session = session;
BrowseCTRL.SetView(session, browseView, null);
NodeListCTRL.Initialize(session, nodesIds, nodeClassMask);
if (ShowDialog() != DialogResult.OK)
{
return(null);
}
return(NodeListCTRL.GetNodeIds());
}
/// <summary>
/// Connects to a server.
/// </summary>
public async void Connect(ConfiguredEndpoint endpoint)
{
if (endpoint == null)
{
return;
}
Session session = await SessionsCTRL.Connect(endpoint);
if (session != null)
{
// stop any reconnect operation.
if (m_reconnectHandler != null)
{
m_reconnectHandler.Dispose();
m_reconnectHandler = null;
}
m_session = session;
m_session.KeepAlive += new KeepAliveEventHandler(StandardClient_KeepAlive);
BrowseCTRL.SetView(m_session, BrowseViewType.Objects, null);
StandardClient_KeepAlive(m_session, null);
}
}
