How to deactive a button in application toolbar

Question

how to deactive a button in application toolbar?

Answer 1

Simple example
This example shows how to create a toolbar with a single Exit button, used to exit the program.
Steps:
Create a screen and add a custom container named TOOLBAR_CONTAINER
Code:
   REPORT sapmz_hf_toolbar .
   TYPE-POOLS: icon.
   CLASS cls_event_handler DEFINITION DEFERRED.
G L O B A L   D A T A
   DATA:
     ok_code                    LIKE sy-ucomm,
Reference for conatiner
     go_toolbar_container       TYPE REF TO cl_gui_custom_container,
Reference for SAP Toolbar
     go_toolbar                 TYPE REF TO cl_gui_toolbar,
Event handler
     go_event_handler           TYPE REF TO cls_event_handler.
G L O B A L   T A B L E S
   DATA:
Table for registration of events. Note that a TYPE REF
to cls_event_handler must be created before you can
reference types cntl_simple_events and cntl_simple_event.
     gi_events                  TYPE cntl_simple_events,
Workspace for table gi_events
     g_event                    TYPE cntl_simple_event.
      CLASS cls_event_handler DEFINITION
   CLASS cls_event_handler DEFINITION.
     PUBLIC SECTION.
       METHODS:
         on_function_selected
           FOR EVENT function_selected OF cl_gui_toolbar
             IMPORTING fcode,
         on_dropdown_clicked
           FOR EVENT dropdown_clicked OF cl_gui_toolbar
             IMPORTING fcode posx posy.
   ENDCLASS.
      CLASS cls_event_handler IMPLEMENTATION
   CLASS cls_event_handler IMPLEMENTATION.
     METHOD on_function_selected.
       CASE fcode.
         WHEN 'EXIT'.
           LEAVE TO SCREEN 0.
       ENDCASE.
     ENDMETHOD.
     METHOD on_dropdown_clicked.
     Not implented yet
     ENDMETHOD.
   ENDCLASS.
   START-OF-SELECTION.
     SET SCREEN '100'.
   *&      Module  STATUS_0100  OUTPUT
      text
   MODULE status_0100 OUTPUT.
     IF go_toolbar_container IS INITIAL.
Create container
       CREATE OBJECT go_toolbar_container
         EXPORTING
           container_name = 'TOOLBAR_CONTAINER'.
Create toolbar
       CREATE OBJECT go_toolbar
         EXPORTING
           parent = go_toolbar_container.
Add a button
       CALL METHOD go_toolbar->add_button
         EXPORTING fcode       = 'EXIT'            "Function Code
                   icon        = icon_system_end   "ICON name
                   is_disabled = ' '               "Disabled = X
                   butn_type   = cntb_btype_button "Type of button
                   text        = 'Exit'            "Text on button
                   quickinfo   = 'Exit program'    "Quick info
                   is_checked  = ' '.              "Button selected
Create event table. The event ID must be found in the
documentation of the specific control
       CLEAR g_event.
       REFRESH gi_events.
       g_event-eventid    = go_toolbar->m_id_function_selected.
       g_event-appl_event = 'X'.    "This is an application event
       APPEND g_event TO gi_events.
       g_event-eventid    = go_toolbar->m_id_dropdown_clicked.
       g_event-appl_event = 'X'.
       APPEND g_event TO gi_events.
  Use the events table to register events for the control
       CALL METHOD go_toolbar->set_registered_events
           EXPORTING
              events = gi_events.
Create event handlers
       CREATE OBJECT go_event_handler.
       SET HANDLER go_event_handler->on_function_selected
         FOR go_toolbar.
       SET HANDLER go_event_handler->on_dropdown_clicked
          FOR go_toolbar.
     ENDIF.
   ENDMODULE.                 " STATUS_0100  OUTPUT
http://www.erpgenie.com/abap/controls/toolbar.htm#Simple%20example
http://help.sap.com/saphelp_nw04/helpdata/EN/42/d2ab343e416635e10000000a1553f6/content.htm
help.sap.com/printdocu/core/Print46c/en/data/pdf/BCCITOOLBAR/BCCITOOLBAR.pdf
Regards,
Jagadish