Check to see if the file associated with this document is locked. If it is locked then this is the only document that will be able to write the file. Other instances of Rhino will fail to write this document.

Namespace: Rhino
Assembly: RhinoCommon (in RhinoCommon.dll) Version: Rhino 6.0

C#

public bool IsLocked { get; }

VB

Public ReadOnly Property IsLocked As Boolean
	Get

Type: Boolean

Supported in: 5D58w

RhinoDoc Class
Rhino Namespace