public static extern System.Int32 SE_layerinfo_create(SE_COORDREF coordref, ref SE_LAYERINFO layer);
public static extern System.Int32 SE_coordref_get_description(SE_COORDREF coordref, [MarshalAs(UnmanagedType.LPArray)] byte[] description);
public static extern System.Int32 SE_coordref_get_srid(SE_COORDREF coordref, ref System.Int32 srid);
public static extern System.Int32 SE_coordref_get_xy_envelope(SE_COORDREF coordref, ref SE_ENVELOPE extent);
public static extern void SE_coordref_free(SE_COORDREF coordref);
public static extern System.Int32 SE_coordref_create(ref SE_COORDREF coordref);
public static extern System.Int32 SE_shape_create(SE_COORDREF coordref, ref SE_SHAPE shape);
public static extern System.Int32 SE_layerinfo_get_coordref(SE_LAYERINFO layer, SE_COORDREF coordref);