This property value is true if an AnnObject is currently being edited (selected); in other words, CurrentEditObject property is not null and this AnnObject is currently locked (the IsLocked value of this AnnObject is true). Otherwise, this property value is false.
Use the Unlock method to unlock the object currently being edited (selected).
For more information, refer to Implementing Annotation Security.
For an example, refer to Lock.
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2