2025.3 Interface
Changes 0
I

IExternalCommandAvailability

Description:
An interface that should be implemented to provide the implementation for a accessibility check for a Revit add-in External Command.
Remarks:
This interface should share the same assembly with add-in External Command.
public interface IExternalCommandAvailability
Name Return Type Description
M IsCommandAvailable(UIApplication, CategorySet) Boolean Implement this method to provide control over whether your external command is enabled or disabled.