Share Email Facebook Twitter LinkedIn ComboBox.AddSeparator Method Adds a separator to the drop-down list.Namespace: Autodesk.Revit.UIAssembly: RevitAPIUI (in RevitAPIUI.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public void AddSeparator() RemarksThe separator will be added below the last added member. See AlsoReferenceComboBox ClassAutodesk.Revit.UI Namespace