.. highlightlang:: us

.. _xygetdropvalue:

XYGetDropValue
==============

.. index:: XYGetDropValue

.. us.tag  XYGetDropValue ENGLISH XYGet

:ref:`XYGetDropValue` asks for the height of the
ground line that will be used to fill the area under the curve and also
for the base point of the drop lines.

.. function::  rsDropValue = XYGetDropValue(hData)

.. us.return

**Return Value**

*rsDropValue* is the y-coordinate of the ground line.

.. us.params

**Parameters**

.. uparam:: hData

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

.. seealso::
   :ref:`overview-xy-datasets`,
   :ref:`XYSetDropValue`,
   :ref:`XYShowDropLine`,
   :ref:`XYShowFill`,
   :ref:`XYIsPolygonClosed`,
   :ref:`XYSetFillColor`,
   :ref:`XYCreate`

:sub:`id-1262007`