How to create a reference in the block diagram during execution?

Hello,
I'm doing a program and I would like to create references to objects in execution time, is there a function in labview that allows you to do this?
Thanks in advance!
Solved!
Go to Solution.

What I want to do is create a generic subvi where I can send a cluster of objects (which number can change). I want the subvi to change a property of those objects (for example, the visibility). If I unbundle the cluster I get objects, not references, and I was wondering if it's possible to obtain a reference from those objects to input to a property node.
Surely there is a better way to do this, but I'm new in Labview and I haven't found it...
Thanks

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       options                           = 4
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       mail_options                      = 6
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    *&      Form  FETCH_DATA
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           a~kunnr
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           b~lfimg
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           b~vgbel
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           c~parvw
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                    from likp as a
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    *&      Form  MERGE_DATA_KNA1
    *       text
    *  -->  p1        text
    *  <--  p2        text
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    wa_final-matnr = wa_li_vbpa-matnr.
    wa_final-arktx = wa_li_vbpa-arktx.
    wa_final-lfimg = wa_li_vbpa-lfimg.
    wa_final-netpr = wa_li_vbpa-netpr.
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    i am developing report using Reuse_alv_grid_display...
    my requirement is... At runtime
              1.  i may create new row on the grid (empty row inwhich  i may enter the data).
              2.  i may delete a existing row in the grid
              3.  i may edit the existing data...
    then i have to trace the modification in the grid in one internal table...
    how can i get into this.....
    note:
    i have some idea to edit the existing record in the grid and trace those modification,
    but i don't know abt how to create new or delete the existing row....
    can you give me some idea...

    Hi deva,
    write a class which implemets these methods
    CLASS lcl_event_receiver DEFINITION.
      PUBLIC SECTION.
        METHODS:
    To handle the toolbar on alv
         handle_toolbar
           FOR EVENT toolbar OF cl_gui_alv_grid
              IMPORTING e_object e_interactive,
    To handle the buttons on the alv grid
         handle_user_command
           FOR EVENT user_command OF cl_gui_alv_grid
           IMPORTING e_ucomm.
    endclass.
    Now Implement these methods.
    CLASS lcl_event_receiver IMPLEMENTATION.
    To handle the toolbar on alv
      METHOD handle_toolbar.
       DATA ls_toolbar  TYPE stb_button.
        CLEAR gs_toolbar.
        MOVE 3 TO gs_toolbar-butn_type.
        APPEND gs_toolbar TO e_object->mt_toolbar.
        CLEAR gs_toolbar.
        PERFORM icon_create USING 'ICON_INSERT_ROW' gs_toolbar-icon.
        MOVE text-010 TO gs_toolbar-function.
        MOVE text-012 TO gs_toolbar-quickinfo.
        MOVE ' ' TO gs_toolbar-disabled.
        APPEND gs_toolbar TO e_object->mt_toolbar.
        CLEAR gs_toolbar.
        PERFORM icon_create USING 'ICON_DELETE_ROW' gs_toolbar-icon.
        MOVE text-011 TO gs_toolbar-function.
        MOVE text-013 TO gs_toolbar-quickinfo.
        MOVE ' ' TO gs_toolbar-disabled.
        APPEND gs_toolbar TO e_object->mt_toolbar.
      ENDMETHOD.
       METHOD handle_user_command.
    In this form, check the function code(e_ucomm has the function code), based on that do the required action.
    as i said yesterday(i.e for appending a row, deleting a row, modifying a row)
        PERFORM user_command USING e_ucomm.
      ENDMETHOD
    endclass.
    Before calling the alv method, create a object of this class.
    DATA :
          gref_event_receiver  TYPE REF TO lcl_event_receiver,
          gv_tables_alv          TYPE REF TO cl_gui_alv_grid.
          CREATE OBJECT gref_event_receiver.
          SET HANDLER   gref_event_receiver->handle_user_command
                        FOR gv_tables_alv.
          SET HANDLER   gref_event_receiver->handle_toolbar
                        FOR gv_tables_alv.
    check this program for event handling, it is the similar way
    demo_abap_objects_events
    Hope u understood this.
    Regards,
    Prasant
    reward if helpful

  • How to create a validation for the project coding mask

    Hi,
    Would just like to ask how to create a validation for the project coding mask wherein the WBS elements hierarchy will be checked against the template saved. For example,
    project coding mask is XXXX-XXXXX-XX-X-X-X-00-X
    mother WBS should be XXXX-XXXXX-X and lower level WBS would be XXXX-XXXXX-XX.
    The validation should not allow a mother WBS to be XXXX-XXXXX-XX.
    How can we go about this?

    Hi Jacquiline Bersamin,
    You can use validation with the combination of the level and the coding mask.
    In the validation:
    Pre requisite: WBS level = 1
    Validation: Prps-posid = prps-posid :1-12:
    Message : Error
    If required you can give the parameters for your detail error message.
    Please let me know if this does not work.
    Thanks
    Regards
    Srinivasan Desingh

  • How to create a password for the pdf file

    In Adore Acrobat XI, how to create a password for the file? The help states going to Tools Menu and clicking on Protection tab - but there is no such option. In the file - properties - security screen, it shows the security details but does not allow to edit it.

    I think you may be mixing up two different products: Adobe Reader (free), and Acrobat ($$).

  • How to create cross references in pages?

    Hello,
    I need to create cross references in pages, for example create a title with the name of a chart and the create a reference on the document. If I create more content and the number of the chart changes the references need to be up to date. This is supported by word... don't know on pages.
    Thanks!

    I suspect your tag is wrong, but in Pages '09 you just Insert a Bookmark.
    Not possible however in Pages 5.
    Peter

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