Provides access to an object that represents the currently active project.

Namespace: Autodesk.Revit.UI
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 24.0.0.0 (24.0.0.0)

Syntax

C#
`public virtual UIDocument ActiveUIDocument { get; }`

Visual Basic
`Public Overridable ReadOnly Property ActiveUIDocument As UIDocument Get`

Visual C++
`public: virtual property UIDocument^ ActiveUIDocument { UIDocument^ get (); }`

Remarks

External API commands can access this property in read-only mode only! The ability to modify the property is reserved for future implementations.

Exception	Condition
Autodesk.Revit.ExceptionsInvalidOperationException	Thrown when attempting to modify the property.