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PathOfTravel.PathStart

Property
Description:
The start point of the path. The Z coordinate will equal the view's level elevation. To update path calculations, call update.
Syntax
public XYZ PathStart { get; set; }
Exceptions
Exception Condition
ArgumentNullException When setting this property: A non-optional argument was null
InvalidOperationException When setting this property: This functionality is not available in Revit LT. -or- When setting this property: Cannot perform this operation for a path of travel in a group.