Checks to see if the item file is already in use in the project.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 23.0.0.0 (23.1.0.0)
Since:  2019

Syntax

C#
public bool IsUsed { get; }
Visual Basic
Public ReadOnly Property IsUsed As Boolean
	Get
Visual C++
public:
property bool IsUsed {
	bool get ();
}

See Also