.. highlightlang:: us

.. _xysetfirstpoint:

XYSetFirstPoint
===============

.. index:: XYSetFirstPoint

.. us.tag  XYSetFirstPoint ENGLISH xy.data New590

:ref:`XYSetFirstPoint` is used internally. The function is used if only a range
of data points are loaded. 

.. function::  bool = XYSetFirstPoint(hData, iFirstPoint)

.. us.return

**Return Value**

*bool* is TRUE (1) is the function is successful otherwise FALSE (0).

.. us.params

**Parameters**

.. uparam:: hData

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

.. uparam:: iFirstPoint

   *iFirstPoint* is the index of the first point loaded. 

.. seealso::
   :ref:`overview-xy-datasets`,
   :ref:`XYCreate`,
   :ref:`XYGetData`,
   :ref:`TYCreate`,
   :ref:`XYGetFirstPoint`,
   :ref:`XYGetNumberOfPoints`

:sub:`id-1311072`