Underline type of the displayed text
enum Efl.Text_Style_Underline_Type { off: 0, on, single, double, dashed }
typedef enum { EFL_TEXT_STYLE_UNDERLINE_TYPE_OFF = 0, EFL_TEXT_STYLE_UNDERLINE_TYPE_ON, EFL_TEXT_STYLE_UNDERLINE_TYPE_SINGLE, EFL_TEXT_STYLE_UNDERLINE_TYPE_DOUBLE, EFL_TEXT_STYLE_UNDERLINE_TYPE_DASHED } Efl_Text_Style_Underline_Type;