PARAMETERS: P_FILE TYPE string.

AT SELECTION-SCREEN ON VALUE-REQUEST FOR P_FILE.

CALL METHOD cl_gui_frontend_services=>directory_browse EXPORTING initial_folder = C: CHANGING selected_folder = P_FILE.

Tener presente que en algunas versiones no se permite la declaracin de parametros del tipo String en dichos casos se puede emplear el siguiente artificio:

PARAMETERS: P_FILE TYPE CHAR100.

DATA: LV_RUTA TYPE STRING.

AT SELECTION-SCREEN ON VALUE-REQUEST FOR P_FILE.

CALL METHOD cl_gui_frontend_services=>directory_browse EXPORTING initial_folder = C: CHANGING selected_folder = LV_RUTA.

P_FILE = LV_RUTA.