beginnings of aperture macro support

                                      const wxString& GERBER_FullFileName,

                                      const wxString& D_Code_FullFileName );

    bool            SaveGerberFile( const wxString& FileName, wxDC* DC );

    /**

     * Function Read_D_Code_File

     * reads in a dcode file assuming ALSPCB file format with ';' indicating comments.

     * <p>

     * Format is like CSV but with optional ';' delineated comments:<br>

     * tool,	 Horiz,		  Vert,	  drill, vitesse, acc. ,Type ; [DCODE (commentaire)]<br>

     * ex:	   1,		  12,		12,		0,		  0,	 0,	  3 ; D10

     * <p>

     * Format:<br>

     * Ver,  Hor, Type, Tool [,Drill]<br>

     * example:	0.012, 0.012,  L   , D10<br>

     *

     * Categorize all found dcodes into a table of D_CODE instantiations.

     * @param D_CodeFullFileName The name of the file to read from.

     * @return int - <br>

     *                 -1 = file not found<br>

     *                 -2 = parsing problem<br>

     *                  0 = the \a D_Code_FullFileName is empty, no reading is done but an empty GERBER is put into g_GERBER_List[]<br>

     *                  1 = read OK<br>

     */

    int             Read_D_Code_File( const wxString& D_Code_FullFileName );

    void            CopyDCodesSizeToItems();

    void            Liste_D_Codes( wxDC* DC );