/// <summary>
/// Selects the variable to display.
/// </summary>
private void Aggregates_SelectVariableMI_Click(object sender, EventArgs e)
{
try
{
if (m_session == null)
{
return;
}
NodeId nodeId = new Opc.Ua.Client.Controls.SelectNodeDlg().ShowDialog(
m_session,
Opc.Ua.ObjectIds.ObjectsFolder,
"Select Variable to Monitor",
ReferenceTypes.Organizes,
ReferenceTypes.Aggregates);
if (nodeId != null)
{
ReadCTRL.ChangeNode(nodeId);
}
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
}
/// <summary>
/// Creates a form which uses the specified client configuration.
/// </summary>
/// <param name="configuration">The configuration to use.</param>
public MainForm(ApplicationConfiguration configuration)
{
InitializeComponent();
this.Icon = ClientUtils.GetAppIcon();
ReadCTRL.Reset();
ConnectServerCTRL.Configuration = m_configuration = configuration;
ConnectServerCTRL.ServerUrl = "opc.tcp://localhost:62550/Quickstarts/HistoricalAccessServer";
this.Text = m_configuration.ApplicationName;
}
/// <summary>
/// Updates the application after reconnecting to the server.
/// </summary>
private void Server_ReconnectComplete(object sender, EventArgs e)
{
try
{
m_session = ConnectServerCTRL.Session;
ReadCTRL.SessionReconnected(m_session);
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
}
private void ViewHistoricalConfigurationMI_Click(object sender, EventArgs e)
{
try
{
if (m_session == null)
{
return;
}
ReadCTRL.ShowConfiguration();
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
}
/// <summary>
/// Updates the application after connecting to or disconnecting from the server.
/// </summary>
private void Server_ConnectComplete(object sender, EventArgs e)
{
try
{
m_session = ConnectServerCTRL.Session;
// set a suitable initial state.
if (m_session != null && !m_connectedOnce)
{
m_connectedOnce = true;
}
ReadCTRL.ChangeSession(m_session);
}
catch (Exception exception)
{
ClientUtils.HandleException(this.Text, exception);
}
}