GUI_FILE_SAVE_DIALOG
CALL METHOD CL_GUI_FRONTEND_SERVICES=>DIRECTORY_BROWSE
EXPORTING
WINDOW_TITLE = ‘Pelease select the download directory‘
INITIAL_FOLDER = ‘C:\Users\*****\‘
CHANGING
SELECTED_FOLDER = gv_bfile
EXCEPTIONS
CNTL_ERROR = 1
ERROR_NO_GUI = 2
NOT_SUPPORTED_BY_GUI = 3
others = 4.
ABAP 文件选择框
原文：http://www.cnblogs.com/lihuiyy/p/3680871.html
