.. highlightlang:: us

.. _xyisspline:

XYIsSpline
==========

.. index:: XYIsSpline

.. us.tag  XYIsSpline ENGLISH XYGet Changed400

:ref:`XYIsSpline`
determines whether the data points are connected by a spline.

.. function::  bSpline = XYIsSpline(hData)

.. us.return

**Return Value**

If *bSpline* is TRUE (1), the datapoints are joined with a spline, and
if FALSE (0), the lines are connected with a polygon.

.. us.params

**Parameters**

.. uparam:: hData

   The handle of a dataset created with :ref:`XYCreate` or
   :ref:`TYCreate`.

.. seealso::
   :ref:`overview-xy-datasets`,
   :ref:`XYSetSpline`,
   :ref:`XYCreate`

:sub:`id-1538810`