[IntegerValidatorAttribute(MinValue = , MaxValue = , ExcludeRange = false)]
[ConfigurationPropertyAttribute("port", IsRequired = true)]
public int Port { get; set; }

<IntegerValidatorAttribute(MinValue := , MaxValue := , ExcludeRange := False)> _
<ConfigurationPropertyAttribute("port", IsRequired := True)> _
Public Property Port As Integer

[IntegerValidatorAttribute(MinValue = , MaxValue = , ExcludeRange = false)]
[ConfigurationPropertyAttribute(L"port", IsRequired = true)]
public:
property int Port {
	int get ();
	void set (int value);
}