/// <summary>
/// Opens the connection to the client.
/// </summary>
/// <exception cref="InvalidOperationException">The connection is already open.</exception>
public virtual void Open()
{
if (Connected)
{
throw new InvalidOperationException("The connection is already open.");
}
// dispose of existing connection
TcpConnection?.Close();
// create new TcpConnection and connect
TcpConnection = _tcpConnectionFactory.Create();
TcpConnection.Connect(Host, Port, ConnectionTimeout);
}