Namespaces
- Autodesk.Revit.ApplicationServices
- Autodesk.Revit.Attributes
- Autodesk.Revit.Creation
- Autodesk.Revit.DB
- Autodesk.Revit.DB.Analysis
- Autodesk.Revit.DB.Architecture
- Autodesk.Revit.DB.DirectContext3D
- Autodesk.Revit.DB.Electrical
- Autodesk.Revit.DB.Events
- Autodesk.Revit.DB.ExtensibleStorage
- Autodesk.Revit.DB.ExternalService
- Autodesk.Revit.DB.Fabrication
- Autodesk.Revit.DB.IFC
- Autodesk.Revit.DB.Infrastructure
- Autodesk.Revit.DB.Lighting
- Autodesk.Revit.DB.Macros
- Autodesk.Revit.DB.Mechanical
- Autodesk.Revit.DB.Plumbing
- Autodesk.Revit.DB.PointClouds
- Autodesk.Revit.DB.Steel
- Autodesk.Revit.DB.Structure
- Autodesk.Revit.DB.Structure.StructuralSections
- Autodesk.Revit.DB.Visual
- Autodesk.Revit.Exceptions
- Autodesk.Revit.UI
- Autodesk.Revit.UI.Events
  - ApplicationClosingEventArgs Class
  - BeforeExecutedEventArgs Class
  - CanExecuteEventArgs Class
  - ComboBoxCurrentChangedEventArgs Class
  - ComboBoxDropDownClosedEventArgs Class
  - ComboBoxDropDownOpenedEventArgs Class
  - CommandEventArgs Class
  - DialogBoxData Class
  - DialogBoxShowingEventArgs Class
  - DisplayingOptionsDialogEventArgs Class
  - DockableFrameFocusChangedEventArgs Class
  - DockableFrameVisibilityChangedEventArgs Class
  - ExecutedEventArgs Class
  - ExternalDataManagerChangedEventArgs Class
  - FabricationPartBrowserChangedEventArgs Class
  - FabricationPartBrowserOperation Enumeration
  - FormulaEditingEventArgs Class
  - IdlingEventArgs Class
  - MacroUpdatedEventArgs Class
  - MessageBoxData Class
  - MessageBoxShowingEventArgs Class
  - RibbonItemEventArgs Class
  - SelectionChangedEventArgs Class
  - TaskDialogShowingEventArgs Class
  - TextBoxEnterPressedEventArgs Class
  - ThemeChangedEventArgs Class
  - TransferredProjectStandardsEventArgs Class
  - TransferringProjectStandardsEventArgs Class
  - ViewActivatedEventArgs Class
  - ViewActivatingEventArgs Class
- Autodesk.Revit.UI.Macros
- Autodesk.Revit.UI.Mechanical
- Autodesk.Revit.UI.Plumbing
- Autodesk.Revit.UI.Selection
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ComboBoxDropDownClosedEventArgs Class

Revit 2026 API

ComboBoxDropDownClosedEventArgs Class

The event arguments used by ComboBox's DropDownClosed event.

Inheritance Hierarchy

SystemObject
  SystemEventArgs
    Autodesk.Revit.UI.EventsRibbonItemEventArgs
      Autodesk.Revit.UI.EventsComboBoxDropDownClosedEventArgs

Namespace: Autodesk.Revit.UI.Events
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 26.0.4.0 (26.0.4.0)

Syntax

public class ComboBoxDropDownClosedEventArgs : RibbonItemEventArgs

Public Class ComboBoxDropDownClosedEventArgs
	Inherits RibbonItemEventArgs

public ref class ComboBoxDropDownClosedEventArgs : public RibbonItemEventArgs

type ComboBoxDropDownClosedEventArgs = 
    class
        inherit RibbonItemEventArgs
    end

The ComboBoxDropDownClosedEventArgs type exposes the following members.

Constructors

	Name	Description
	ComboBoxDropDownClosedEventArgs	Initializes a new instance of the ComboBoxDropDownClosedEventArgs class

Properties

	Name	Description
	Application	The current UIApplication. (Inherited from RibbonItemEventArgs)

Methods

	Name	Description
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object)
	GetHashCode	Serves as the default hash function. (Inherited from Object)
	GetType	Gets the Type of the current instance. (Inherited from Object)
	ToString	Returns a string that represents the current object. (Inherited from Object)

See Also

Reference

Autodesk.Revit.UI.Events Namespace

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T:Autodesk.Revit.UI.Events.ComboBoxDropDownClosedEventArgs