Revit 2025 API
ViewUnhide |
Sets the elements to be shown in the given view if they are currently hidden.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax
public void UnhideElements( ICollection<ElementId> elementIdSet )
Public Sub UnhideElements ( elementIdSet As ICollection(Of ElementId) )
public: void UnhideElements( ICollection<ElementId^>^ elementIdSet )
member UnhideElements : elementIdSet : ICollection<ElementId> -> unit
Parameters
- elementIdSet ICollectionElementId
- A set of ElementIds to be unhidden.

Exception | Condition |
---|---|
ArgumentNullException | Thrown when argument is . |
ArgumentException | Thrown when the set of elements to be unhidden is empty or one of the elements can not be unhidden. |
InvalidOperationException | Thrown when document regeneration failed. |

This change is permanent until the elements are hidden again.
All elements in the set must be currently hidden.
An application can check this with IsHidden(View).
See Also