* Add following code to 'STATUS_0100'(PBO module)
*------------------------------------------------*
* Create empty ALVtree control ready for first display
PERFORM create_empty_alvtree_control.
* Add following code to 'Z......F01' INCLUDE
*-------------------------------------------*
*&-------------------------------------------------------------*
*& Form CREATE_EMPTY_ALVTREE_CONTROL
*&-------------------------------------------------------------*
* Create empty tree control
*--------------------------------------------------------------*
FORM create_empty_alvtree_control.
* Create emty tree-control
CLEAR: it_emptytab.
REFRESH: it_emptytab.
CALL METHOD gd_tree->set_table_for_first_display
EXPORTING
is_hierarchy_header = gd_hierarchy_header
it_list_commentary = gd_report_title
i_logo = gd_logo
* i_background_id = 'ALV_BACKGROUND'
i_save = 'A'
is_variant = gd_variant
CHANGING
it_outtab = it_emptytab "Must be empty
it_fieldcatalog = gd_fieldcat.
ENDFORM. " CREATE_EMPTY_ALVTREE_CONTROL