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
  - 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
WhatsNew
Revit .NET 8 Upgrade Tips

ThemeChangedEventArgs Class

Revit 2025 API

ThemeChangedEventArgs Class

The event arguments used by the ThemeChanged event.

Inheritance Hierarchy

SystemObject
  SystemEventArgs
    Autodesk.Revit.DB.EventsRevitAPIEventArgs
      Autodesk.Revit.DB.EventsRevitAPISingleEventArgs
        Autodesk.Revit.UI.EventsThemeChangedEventArgs

Namespace: Autodesk.Revit.UI.Events
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 25.0.0.0 (25.0.0.0)

Syntax

public class ThemeChangedEventArgs : RevitAPISingleEventArgs

Public Class ThemeChangedEventArgs
	Inherits RevitAPISingleEventArgs

public ref class ThemeChangedEventArgs : public RevitAPISingleEventArgs

type ThemeChangedEventArgs = 
    class
        inherit RevitAPISingleEventArgs
    end

The ThemeChangedEventArgs type exposes the following members.

Properties

	Name	Description
	Cancellable	Indicates whether an event may be cancelled by an event delegate. (Inherited from RevitAPIEventArgs)
	IsValidObject	Specifies whether the .NET object represents a valid Revit entity. (Inherited from RevitAPIEventArgs)
	ThemeChangedType	Get the application frame theme Type.

Methods

	Name	Description
	Dispose	(Inherited from RevitAPIEventArgs)
	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)
	IsCancelled	Indicates whether the event is being cancelled. (Inherited from RevitAPIEventArgs)
	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.ThemeChangedEventArgs