void AddDevice_Execute(object parameters)
        {
            if (this.ValidateIPAddress(this.IPAddress))
            {
                _hasValidationErrors = true;
                return;
            }

            _hasValidationErrors = false;
            this.Devices.Add(new Device()
            {
                Name = this.Name, IPAddress = this.IPAddress
            });
            ConfigFileManager.AddDevice(this.IPAddress, this.Name);
            this.Name      = string.Empty;
            this.IPAddress = string.Empty;
        }