UIApplication

Version comparison

2020 2021 2022 2023 2024 2025 2025.3 2026 2027

Members across versions

49 members across 9 versions · 5 added later · 1 removed · 4 changed · 1 obsolete

Member-name color: stable · changed · removed · obsolete · added later

Member	2020	2021	2022	2023	2024	2025	2025.3	2026	2027
C UIApplication(Application)	same	same	same	same	same	same	same	same	same
M CanPostCommand(RevitCommandId)	same	same	same	same	same	same	same	same	same
M CreateAddInCommandBinding(RevitCommandId)	same	same	same	same	same	same	same	same	same
M CreateRibbonPanel(Tab, String)	same	same	same	same	same	same	same	same	same
M CreateRibbonPanel(String)	same	same	same	same	same	same	same	same	same
M CreateRibbonPanel(String, String)	same	same	same	same	same	same	same	same	same
M CreateRibbonTab(String)	same	same	same	same	same	same	same	same	same
M Dispose	same	same	same	same	same	same	same	same	same
M DoDragDrop(Object, IDropHandler)	same	same	same	same	same	same	same	same	same
M DoDragDrop(ICollection<String>)	same	same	same	same	same	same	same	same	same
M GetDockablePane(DockablePaneId)	same	same	same	same	same	same	same	same	same
M GetRibbonPanels(String)	same	same	same	same	same	same	same	same	same
M GetRibbonPanels(Tab)	same	same	same	same	same	same	same	same	same
M GetRibbonPanels	same	same	same	same	same	same	same	same	same
M LoadAddIn(String)	same	same	same	same	same	same	same	same	same
M LoadPackageContents(String)	same	same	same	same	same	same	same	same	same
M OpenAndActivateDocument(String)	same	same	same	same	same	changed	same	same	same
M OpenAndActivateDocument(ModelPath, OpenOptions, Boolean)	same	same	same	same	same	changed	same	same	same
M OpenAndActivateDocument(ModelPath, OpenOptions, Boolean, IOpenFromCloudCallback)	same	same	same	same	same	changed	same	same	same
M PostCommand(RevitCommandId)	same	same	same	same	same	same	same	same	same
M RegisterContextMenu(String, IContextMenuCreator)	not yet introduced	not yet introduced	not yet introduced	not yet introduced	not yet introduced	added	same	same	same
M RegisterDockablePane(DockablePaneId, String, IDockablePaneProvider)	same	same	same	same	same	same	same	same	same
M RemoveAddInCommandBinding(RevitCommandId)	same	same	same	same	same	same	same	same	same
P ActiveAddInId	same	same	same	same	same	same	same	same	same
P ActiveUIDocument	same	same	same	same	same	same	same	same	same
P Application	same	same	same	same	same	same	same	same	same
P DrawingAreaExtents	same	same	same	same	same	same	same	same	same
P IsValidObject	same	same	same	same	same	same	same	same	same
P IsViewerModeActive	same	same	same	same	same	same	same	same	changed
P LoadedApplications	same	same	same	same	same	same	same	same	same
P MainWindowExtents	same	same	same	same	same	same	same	same	same
P MainWindowHandle	same	same	same	same	same	same	same	same	same
P ProductIsRS	same	same	same	same	same	same	same	same	same
E ApplicationClosing	same	same	same	same	same	same	same	same	same
E DialogBoxShowing	same	same	same	same	same	same	same	same	same
E DisplayingOptionsDialog	same	same	same	same	same	same	same	same	same
E DockableFrameFocusChanged	same	same	same	same	same	same	same	same	same
E DockableFrameVisibilityChanged	same	same	same	same	same	same	same	same	same
E ExternalDataManagerChanged	not yet introduced	not yet introduced	not yet introduced	not yet introduced	not yet introduced	not yet introduced	added	missing	missing
E FabricationPartBrowserChanged	same	same	same	same	same	same	same	same	same
E FormulaEditing	same	same	same	same	same	same	same	same	same
E Idling	same	same	same	same	same	same	same	same	same
E MacroUpdated	not yet introduced	not yet introduced	not yet introduced	not yet introduced	not yet introduced	added	same	same	same
E SelectionChanged	not yet introduced	not yet introduced	not yet introduced	added	same	same	same	same	same
E ThemeChanged	not yet introduced	not yet introduced	not yet introduced	not yet introduced	added	same	same	same	same
E TransferredProjectStandards	same	same	same	same	same	same	same	same	same
E TransferringProjectStandards	same	same	same	same	same	same	same	same	same
E ViewActivated	same	same	same	same	same	same	same	same	same
E ViewActivating	same	same	same	same	same	same	same	same	same

Per-version detail

Click a version below to see what changed in that release vs your current frame (2021).

Identical to 2021: 2020, 2022

2021 current

Changed members

UIApplication.OpenAndActivateDocument(String)

fileName	String	A full path to a revit file to be opened. The file can be either a Revit project, template, or family document.
→ returns	UIDocument	The opened document.

UIApplication.OpenAndActivateDocument(ModelPath, OpenOptions, Boolean)

modelPath	ModelPath	A path to a Revit file to be opened. The file can be either a Revit project, template, or family document.
openOptions	OpenOptions	Options for opening the file.
detachAndPrompt	Boolean	True means if openOptions specifies DoNotDetach, then for workshared models detach from central and query the user whether to preserve or discard worksets. make no sense when opening a cloud document.
→ returns	UIDocument	The opened document.

UIApplication.OpenAndActivateDocument(ModelPath, OpenOptions, Boolean, IOpenFromCloudCallback)

modelPath	ModelPath	A path to a Revit file to be opened. The file can be either a Revit project, template, or family document.
openOptions	OpenOptions	Options for opening the file.
detachAndPrompt	Boolean	True means if openOptions specifies DoNotDetach, then for workshared models detach from central and query the user whether to preserve or discard worksets. make no sense when opening a cloud document.
openFromCloudCallback	IOpenFromCloudCallback	Callback function that allow caller to handle cases when conflicts happen during opening a cloud document. Make no sense when opening a non-cloud document.
→ returns	UIDocument	The opened document.

Changes in 2025.3 vs 2021 5 added 3 changed

Flip API Versions →

Added in 2025.3 (new since 2021)

RegisterContextMenu(String, IContextMenuCreator) ExternalDataManagerChanged MacroUpdated SelectionChanged ThemeChanged

Changed members

UIApplication.OpenAndActivateDocument(String)

fileName	String	A full path to a revit file to be opened. The file can be either a Revit project, template, or family document.
→ returns	UIDocument	The opened document.

UIApplication.OpenAndActivateDocument(ModelPath, OpenOptions, Boolean)

modelPath	ModelPath	A path to a Revit file to be opened. The file can be either a Revit project, template, or family document.
openOptions	OpenOptions	Options for opening the file.
detachAndPrompt	Boolean	True means if openOptions specifies DoNotDetach, then for workshared models detach from central and query the user whether to preserve or discard worksets. make no sense when opening a cloud document.
→ returns	UIDocument	The opened document.

UIApplication.OpenAndActivateDocument(ModelPath, OpenOptions, Boolean, IOpenFromCloudCallback)

modelPath	ModelPath	A path to a Revit file to be opened. The file can be either a Revit project, template, or family document.
openOptions	OpenOptions	Options for opening the file.
detachAndPrompt	Boolean	True means if openOptions specifies DoNotDetach, then for workshared models detach from central and query the user whether to preserve or discard worksets. make no sense when opening a cloud document.
openFromCloudCallback	IOpenFromCloudCallback	Callback function that allow caller to handle cases when conflicts happen during opening a cloud document. Make no sense when opening a non-cloud document.
→ returns	UIDocument	The opened document.

Changes in 2026 vs 2021 4 added 3 changed

Flip API Versions →

Added in 2026 (new since 2021)

RegisterContextMenu(String, IContextMenuCreator) MacroUpdated SelectionChanged ThemeChanged

Changed members

UIApplication.OpenAndActivateDocument(String)

fileName	String	A full path to a revit file to be opened. The file can be either a Revit project, template, or family document.
→ returns	UIDocument	The opened document.

UIApplication.OpenAndActivateDocument(ModelPath, OpenOptions, Boolean)

modelPath	ModelPath	A path to a Revit file to be opened. The file can be either a Revit project, template, or family document.
openOptions	OpenOptions	Options for opening the file.
detachAndPrompt	Boolean	True means if openOptions specifies DoNotDetach, then for workshared models detach from central and query the user whether to preserve or discard worksets. make no sense when opening a cloud document.
→ returns	UIDocument	The opened document.

UIApplication.OpenAndActivateDocument(ModelPath, OpenOptions, Boolean, IOpenFromCloudCallback)

modelPath	ModelPath	A path to a Revit file to be opened. The file can be either a Revit project, template, or family document.
openOptions	OpenOptions	Options for opening the file.
detachAndPrompt	Boolean	True means if openOptions specifies DoNotDetach, then for workshared models detach from central and query the user whether to preserve or discard worksets. make no sense when opening a cloud document.
openFromCloudCallback	IOpenFromCloudCallback	Callback function that allow caller to handle cases when conflicts happen during opening a cloud document. Make no sense when opening a non-cloud document.
→ returns	UIDocument	The opened document.

Changes in 2027 vs 2021 4 added 4 changed

Flip API Versions →

Added in 2027 (new since 2021)

RegisterContextMenu(String, IContextMenuCreator) MacroUpdated SelectionChanged ThemeChanged

Changed members

UIApplication.OpenAndActivateDocument(String)

fileName	String	A full path to a revit file to be opened. The file can be either a Revit project, template, or family document.
→ returns	UIDocument	The opened document.

UIApplication.OpenAndActivateDocument(ModelPath, OpenOptions, Boolean)

modelPath	ModelPath	A path to a Revit file to be opened. The file can be either a Revit project, template, or family document.
openOptions	OpenOptions	Options for opening the file.
detachAndPrompt	Boolean	True means if openOptions specifies DoNotDetach, then for workshared models detach from central and query the user whether to preserve or discard worksets. make no sense when opening a cloud document.
→ returns	UIDocument	The opened document.

UIApplication.OpenAndActivateDocument(ModelPath, OpenOptions, Boolean, IOpenFromCloudCallback)

modelPath	ModelPath	A path to a Revit file to be opened. The file can be either a Revit project, template, or family document.
openOptions	OpenOptions	Options for opening the file.
detachAndPrompt	Boolean	True means if openOptions specifies DoNotDetach, then for workshared models detach from central and query the user whether to preserve or discard worksets. make no sense when opening a cloud document.
openFromCloudCallback	IOpenFromCloudCallback	Callback function that allow caller to handle cases when conflicts happen during opening a cloud document. Make no sense when opening a non-cloud document.
→ returns	UIDocument	The opened document.

UIApplication.IsViewerModeActive()

No longer obsolete in 2021 (was obsolete in 2027)

→ returns

Boolean

UIApplication

Members across versions

+ Added in 2023 (new since 2021)

+ Added in 2024 (new since 2021)

+ Added in 2025 (new since 2021)

⚠ Changed members

+ Added in 2025.3 (new since 2021)

⚠ Changed members

+ Added in 2026 (new since 2021)

⚠ Changed members

+ Added in 2027 (new since 2021)

⚠ Changed members

Added in 2023 (new since 2021)

Added in 2024 (new since 2021)

Added in 2025 (new since 2021)

Changed members

Added in 2025.3 (new since 2021)

Changed members

Added in 2026 (new since 2021)

Changed members

Added in 2027 (new since 2021)

Changed members