Reference |
The direction of the reference plane.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
| Exception | Condition |
|---|---|
| ArgumentNullException | When setting this property: A non-optional argument was null |
| ArgumentOutOfRangeException | When setting this property: newDir has zero length. |
When setting this property, an exception will be thrown if the direction vector is not perpendicular to the normal vector.