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RebarConstraint.GetTargetElement

Method
Description:
Gets the Element object (either Host or Rebar) which provides the constraint. Will throw exception if it's a multi target constraint.
Syntax
Exceptions
Exception Condition
InvalidOperationException RebarConstraint is no longer valid. -or- Multi target constraint. Consider using the indexed version of the method. -or- The RebarConstraint should not be of RebarConstraintType 'ToSurface'.