RVTDocs.com

SpatialElementFromToCalculationPoints.FromPosition

Property
Description:
The "from" position of spatial element connecting calculation point.
Syntax
public XYZ FromPosition { get; set; }
Exceptions
Exception Condition
ArgumentException When setting this property: fromPosition must be on the opposite side of the family's host from the "to" position.
ArgumentNullException When setting this property: A non-optional argument was null