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 (2025.3).

2025.3 current

Changes in 2020 vs 2025.3 5 missing 3 changed

Flip API Versions →

Missing in 2020 (only available in 2025.3)

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 2021 vs 2025.3 5 missing 3 changed

Flip API Versions →

Missing in 2021 (only available in 2025.3)

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 2022 vs 2025.3 5 missing 3 changed

Flip API Versions →

Missing in 2022 (only available in 2025.3)

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 2023 vs 2025.3 4 missing 3 changed

Flip API Versions →

Missing in 2023 (only available in 2025.3)

RegisterContextMenu(String, IContextMenuCreator) ExternalDataManagerChanged MacroUpdated 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 2024 vs 2025.3 3 missing 3 changed

Flip API Versions →

Missing in 2024 (only available in 2025.3)

RegisterContextMenu(String, IContextMenuCreator) ExternalDataManagerChanged MacroUpdated

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.

Changed members

UIApplication.IsViewerModeActive()

No longer obsolete in 2025.3 (was obsolete in 2027)

→ returns

Boolean

UIApplication

Members across versions

− Missing in 2020 (only available in 2025.3)

⚠ Changed members

− Missing in 2021 (only available in 2025.3)

⚠ Changed members

− Missing in 2022 (only available in 2025.3)

⚠ Changed members

− Missing in 2023 (only available in 2025.3)

⚠ Changed members

− Missing in 2024 (only available in 2025.3)

⚠ Changed members

− Missing in 2025 (only available in 2025.3)

− Missing in 2026 (only available in 2025.3)

− Missing in 2027 (only available in 2025.3)

⚠ Changed members

Missing in 2020 (only available in 2025.3)

Changed members

Missing in 2021 (only available in 2025.3)

Changed members

Missing in 2022 (only available in 2025.3)

Changed members

Missing in 2023 (only available in 2025.3)

Changed members

Missing in 2024 (only available in 2025.3)

Changed members

Missing in 2025 (only available in 2025.3)

Missing in 2026 (only available in 2025.3)

Missing in 2027 (only available in 2025.3)

Changed members