public ConnectionStateChangedEventArgs(ConnectionStateChangedReason reason, ConnectionState newState, ConnectionState oldState, System.Exception e)
{
this.Reason = reason;
this.OldState = oldState;
this.NewState = newState;
this.Exception = e;
}
protected virtual void OnConnectionStatusChanged(TwinCAT.ConnectionState oldState, TwinCAT.ConnectionState newState)
{
if (this.ConnectionStateChanged != null)
{
ConnectionStateChangedReason error = ConnectionStateChangedReason.Error;
if ((newState == TwinCAT.ConnectionState.Connected) && ((oldState == TwinCAT.ConnectionState.Disconnected) || (oldState == TwinCAT.ConnectionState.None)))
{
error = ConnectionStateChangedReason.Established;
}
else if ((newState == TwinCAT.ConnectionState.Connected) && (oldState == TwinCAT.ConnectionState.Lost))
{
error = ConnectionStateChangedReason.Resurrected;
}
else if (newState == TwinCAT.ConnectionState.Lost)
{
error = ConnectionStateChangedReason.Lost;
}
else if (newState == TwinCAT.ConnectionState.Disconnected)
{
error = ConnectionStateChangedReason.Closed;
}
this.ConnectionStateChanged(this, new SessionConnectionStateChangedEventArgs(error, newState, oldState, this._session, this._session.Connection, null));
}
}
public ConnectionStateChangedEventArgs(ConnectionStateChangedReason reason, ConnectionState newState, ConnectionState oldState) : this(reason, newState, oldState, null)
{
}
public SessionConnectionStateChangedEventArgs(ConnectionStateChangedReason reason, ConnectionState newState, ConnectionState oldState, ISession session, IConnection connection) : this(reason, newState, oldState, session, connection, null)
{
}
public SessionConnectionStateChangedEventArgs(ConnectionStateChangedReason reason, ConnectionState newState, ConnectionState oldState, ISession session, IConnection connection, Exception e) : base(reason, newState, oldState, e)
{
this.Session = session;
this.Connection = connection;
}
