Gets and sets the entity that defined the first direction of the pattern. This can be null which indicates to use the default which is the X-axis of the sketch. Setting this property to null will automatically clear directionTwoEntity, if it has been set.
"rectangularPatternConstraint_var" is a variable referencing a RectangularPatternConstraint object. |
"rectangularPatternConstraint_var" is a variable referencing a RectangularPatternConstraint object. |