public bool IsLong { get; set; }Public Property IsLong As Boolean
	Get
	Set
Dim instance As CommandLineArgumentAttribute
Dim value As Boolean
value = instance.IsLong
instance.IsLong = valuepublic:
property bool IsLong {
	bool get ();
	void set (bool value);
}This property is ignored if CommandLineParserMode is not ParsingModeLongShort.
If the CommandLineParserMode property is ParsingModeLongShort and the IsLong property is , the ArgumentName property is ignored.