.. highlightlang:: us

.. index:: XYSetDataType

.. _xysetdatatype:

XYSetDataType
=============

.. us.tag  XYSetDataType ENGLISH xy.data New5305

:ref:`XYSetDataType` sets the data type for 1D and 2D datasets saved in the 
UniPlot document (.ipw).

.. function::  bool = XYSetDataType(hData, nDataType)

.. us.return

**Return Value**

*bool* is TRUE (1), if the function was successful and otherwise FALSE (0).

.. us.params

**Parameters**

.. uparam:: hData

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

.. uparam:: nDataType

   *nDataType* is one of the following values:

   .. list-table::
      :header-rows: 1

      * - Value
        - Description
      * - DATATYPE_FLOAT64 (10)
        - 64-Bit floating-point number.
      * - DATATYPE_FLOAT32 (9)
        - 32-Bit floating-point number.

.. us.comment

**Comment**

If the dataset already contains data the data type will be saved and applied 
when new data is set with :ref:`XYSetData`.

.. us.history

**History**

.. list-table::
   :header-rows: 1

   * - Version
     - Description
   * - 5.30.5
     - New

.. seealso::
   :ref:`overview-xy-datasets`,
   :ref:`XYCreate`,
   :ref:`XYSetData`,
   :ref:`TYCreate`,
   :ref:`XYGetDataType`,
   :ref:`AppSetDatasetDataType`

:sub:`id-725717`