globalmapper.AddCustomBrushStyle
================================

.. currentmodule:: globalmapper
.. py:function:: AddCustomBrushStyle (string aImageFilename, string aStyleName) -> GM_Error_t32, GM_BrushStyle_t16

    Adds a new custom brush style that can be used when drawing area features. The returned brush style value can be
    used as part of a AreaStyle_t definition to specify to fill an area with a pattern based on the provided image file.

    If a custom brush style exists with the provided *aStyleName* the aStyleVal will be set to the enumeration for that
    style and GM_Error_BrushAlreadyCreated will be returned.

    :param str aImageFilename: Full path to image filename to use for custom fill pattern
    :param str aStyleName: Text name to use when referring to the fill style
    :returns: Error Code
    :rtype: GM_Error_t32
    :return: Value of created custom fill style
    :rtype: GM_BrushStyle_t16