Gets the name of the reference plane in the family corresponding to the given family instance reference.
Assembly: RevitAPI (in RevitAPI.dll) Version: 220.127.116.11 (18.104.22.168)
The family instance reference.
Return ValueReturns the name of the reference plane in the family corresponding to the given family instance reference. If the reference doesn't correspond to a named reference plane, returns an empty string.
If the given family reference corresponds to a named reference plane in the instance's family, the name of that reference plane will be returned. Otherwise, an empty string will be returned.
|Autodesk.Revit.Exceptions ArgumentNullException||A non-optional argument was null|