globalmapper.SetRegistryKey
===========================

.. currentmodule:: globalmapper
.. py:function:: SetRegistryKey (str aKeyName) -> GM_Error_t32

    Sets the base registry key from which settings should be stored/read. Settings will be stored in and read from
    "HKEY_CURRENT_USER\Software\*aKeyName*\Global Mapper". Passing an empty string will reset the settings back to the
    default location which is shared with the Global Mapper application.

    :param str aKeyName: location in registry under which to store settings
    :returns: Error Code
    :rtype: GM_Error_t32