IExternal |
An interface that should be implemented to provide the implementation for a accessibility check for a Revit add-in External Command.
Namespace: Autodesk.Revit.UI
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 25.3.0.0 (25.3.0.0)

The IExternalCommandAvailability type exposes the following members.

Name | Description | |
---|---|---|
![]() | IsCommandAvailable | Implement this method to provide control over whether your external command is enabled or disabled. |

This interface should share the same assembly with add-in External Command.
