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Namespace: Autodesk.Revit.UI Class: UIDocument

UIDocument.ActiveView

Property
Description:
The currently active view of the currently active document.
Remarks:

This property is applicable to the currently active document only. Returns null if this document doesn't represent the active document.

The active view can only be changed when:

  • There is no open transaction.
  • IsModifiable is false.
  • IsReadOnly is false.
  • ViewActivating, ViewActivated, and any pre-action of events (such as DocumentSaving or DocumentClosingevents) are not being handled.

Syntax
public View ActiveView { get; set; }
Exceptions
Exception Condition
ArgumentNullException When setting the property: If the 'view' argument is NULL.
ArgumentException When setting the property:If the given view is not a valid view of the document; -or-If the given view is a template view; -or-If the given view is an internal view.
InvalidOperationException When setting the property:If the document is not currently active; -or-If the document is currently modifiable (i.e. with an active transaction); -or-If the document is currently in read-only state; -or-When invoked during either ViewActivating or ViewActivated event; -or-When invoked during any pre-action kind of event, such as DocumentSaving, DocumentClosing, etc.