//-----------------
public MyAeSession(string url) : base(url)
{
StateChangeCompleted += new StateChangeEventHandler(HandleStateChangeCompleted);
PerformStateTransitionCompleted += new PerformStateTransitionEventHandler(HandlePerformObjectStateTransitionCompleted);
ShutdownRequest += new ShutdownEventHandler(HandleShutdown);
GetServerStatusCompleted += new GetStatusEventHandler(HandleGetStatusCompleted);
}
/// <summary>
/// Completes an asynchronous get status request and updates the control.
/// </summary>
private void OnGetStatus(IAsyncResult result)
{
if (InvokeRequired)
{
BeginInvoke(new AsyncCallback(OnGetStatus), result);
return;
}
try
{
GetStatusEventHandler callback = (GetStatusEventHandler)result.AsyncState;
OpcServerStatus status = callback.EndInvoke(result);
ShowPanels = true;
InfoPN.Text = status.VendorInfo;
StatePN.Text = (status.StatusInfo == null)?status.ServerState.ToString():status.StatusInfo;
TimePN.Text = status.CurrentTime.ToString();
}
catch (Exception e)
{
ShowPanels = false;
Text = e.Message;
}
}
//-----------------
public MyDaSession(string url) : base(url)
{
StateChangeCompleted += new StateChangeEventHandler(HandleStateChanged);
PerformStateTransitionCompleted += new PerformStateTransitionEventHandler(HandlePerformStateTransition);
ShutdownRequest += new ShutdownEventHandler(HandleServerShutdown);
ReadCompleted += new SessionReadEventHandler(HandleSessionReadCompleted);
WriteCompleted += new SessionWriteEventHandler(HandleSessionWriteCompleted);
GetStatusCompleted += new GetStatusEventHandler(HandleGetServerStatus);
}
/// <summary>
/// Called when the update timer expires - begins a get status request.
/// </summary>
private void UpdateTimer_Tick(object sender, System.EventArgs e)
{
try
{
GetStatusEventHandler callback = new GetStatusEventHandler(m_server.GetServerStatus);
callback.BeginInvoke(new AsyncCallback(OnGetStatus), callback);
}
catch (Exception exception)
{
ShowPanels = false;
Text = exception.Message;
}
}