Share Email Facebook Twitter LinkedIn ExternalApplicationArray.IsEmpty Property Test to see if the array is empty.Namespace: Autodesk.Revit.UIAssembly: RevitAPIUI (in RevitAPIUI.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public virtual bool IsEmpty { get; }Property ValueBoolean RemarksIf the array is empty then True will be returned, otherwise False. See AlsoReferenceExternalApplicationArray ClassAutodesk.Revit.UI Namespace