get_by_set_pos_array
Description:
Gets the by_set_pos array from Recurrence.
The array size is I_CAL_BY_SETPOS_SIZE.
Parameters:
| this | The Recurrence | 
Returns:
| The by_set_pos of Recurrence. | 
Gets the by_set_pos array from Recurrence.
The array size is I_CAL_BY_SETPOS_SIZE.
| this | The Recurrence | 
| The by_set_pos of Recurrence. |