Revit 2026 API
ViewCan |
Checks whether the category can be hidden in the view.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.0.4.0 (26.0.4.0)
Syntax
public bool CanCategoryBeHidden( ElementId elementId )
Public Function CanCategoryBeHidden ( elementId As ElementId ) As Boolean
public: bool CanCategoryBeHidden( ElementId^ elementId )
member CanCategoryBeHidden : elementId : ElementId -> bool
Parameters
- elementId ElementId
- ElementId of the category.
Return Value
BooleanTrue if the category can be hidden, false otherwise.

Exception | Condition |
---|---|
ArgumentNullException | A non-optional argument was null |

Categories can be allowed to be hidden in some view types and prohibited from being hidden in others.
E.g., categories cannot be hidden in ProjectBrowser
See Also