Gets the distance from the RebarConstrainedHandle to the target Rebar handle surface. The RebarConstraintType of the RebarConstraint must be ‘ToOtherRebar’.
RebarConstraint is no longer valid. -or- The RebarConstraint is not of RebarConstraintType ‘ToOtherRebar’. -or- The RebarTargetConstraintType is ‘HookBend’ or ‘BarBend’.
Remarks
Throws exception if the constraint is not to other rebar or if the target constraint is to bar bend or hook bend.