private void OpenSession(string channel, ushort mb_addr)
{
// See if we are supposed to connect to an existing session
if (this.SessionId != null)
{
this.MbSlaveSession = (SMBSession)TMWSession.LookupSession(Convert.ToUInt32(this.SessionId));
if (this.MbSlaveSession != null)
{
this.Channel = (MBChannel)this.MbSlaveSession.Channel;
this.Channel.SessionCloseEvent += new TMWChannel.SessionCloseEventDelegate(SessionCloseEvent);
}
else
{
throw new Exception("Unable to load Modbus Slave Simulator. Unable to find session.");
}
}
else
{
try
{
MbSlaveSession = new SMBSession(Channel);
MbSlaveSession.SlaveAddress = mb_addr;
MbSlaveSession.Name = "sMBSim_" + mb_addr;
MbSlaveSession.OpenSession();
}
catch (Exception ex)
{
MessageBox.Show("Error Opening: " + ex.Message);
Channel = null;
MbSlaveSession = null;
Close();
return;
}
}
}
/// <summary>
/// Closes the channel and session
/// </summary>
private void CloseSession()
{
if (this.MbSlaveSession != null)
this.MbSlaveSession.CloseSession();
this.MbSlaveSession = null;
}
