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Auto delete a buton.

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  • Auto delete a buton.

    Hi Phorum,

    I want to put a button on the main menu of my app that will do the following:

    1. Run 5 different appends.
    2. Automatically delete the button after it is used the first time.

    The button is currently running the 5 append operations, now I want it to self destruct after it's 1st use. My first thought is to set a flag to .T. at the end of the script and test for that before running the appends on any subsequent onpush events for that button, hence if the flag is true, it will not run the appends. But that leaves a dead button on the menu that doesn't seem very professional

    As always all help will be gratefully appreciated.
    efs

  • #2
    RE: Auto delete a buton.

    Try hiding it.
    There can be only one.

    Comment


    • #3
      RE: Auto delete a buton.

      Geez, that may be all I need to do, thanks Stan.
      efs

      Comment


      • #4
        RE: Auto delete a buton.

        The further away from the trees you are, the easier it is to see the whole forest.
        There can be only one.

        Comment


        • #5
          RE: Auto delete a buton.

          The "farther" away from the trees you are, the easier it is to see the whole forest.

          Been a long day.....
          There can be only one.

          Comment


          • #6
            RE: Auto delete a buton.

            Makes sense to me Stan.
            efs

            Comment


            • #7
              RE: Auto delete a buton.

              Ed, I would be interested in the script you write to hide
              the button after it has finished its job. I would like to
              distribute a demo app of a program I have with data and
              after they have looked at the app then they could press a
              button to zap the demo database(s)and they could start
              entering their data (and the zap button would no longer
              appear on the menu)

              Jerry

              Comment


              • #8
                RE: Auto delete a buton.

                Just tested a really simple example with a button.

                Something like this code would hide the button

                'Date Created: 12-Mar-2003 07:24:40 AM
                'Last Updated: 12-Mar-2003 07:29:00 AM
                'Created By :
                'Updated By :
                dim shared flag as l
                flag = .t.
                'your code here with test for completion ? and then
                'set flag = .f.
                if .not. flag
                this.Hide()
                end if
                There can be only one.

                Comment


                • #9
                  RE: Auto delete a buton.

                  Hi Stan,
                  It looks like just what I need, thank you.
                  efs

                  Comment


                  • #10
                    RE: Auto delete a buton.

                    HI Jerry,
                    Check Stan's script below, it works.
                    efs

                    Comment


                    • #11
                      RE: Auto delete a buton.

                      Hi Stan,

                      This works great but .... the next time the app is opened, the button
                      reappears (because the flag is reset to true), and then disappears when
                      the button is pressed. I need it to disappear and never reappear again.

                      efs

                      Comment


                      • #12
                        RE: Auto delete a buton.

                        Easily done in v5 with write_setting() and read_setting(). I'll design something for you which writes and reads a text file doing appproximately the same thing.
                        There can be only one.

                        Comment


                        • #13
                          RE: Auto delete a buton.

                          This goes in the button onpush event code, after you are sure the operations completed...

                          ''XBasic
                          'your code here......
                          '........
                          'substitute your button's name for button6

                          filename=:A5.get_path()+chr(92)+"beendone.txt"
                          result=file.exists(filename)
                          IF result=.F. THEN
                          file_pointer=file.create(filename,FILE_RW_EXCLUSIVE)
                          file_pointer.flush()
                          file_pointer.close()
                          END IF
                          Act = "F"
                          file1_pointer=file.open(filename,FILE_RW_EXCLUSIVE)
                          file1_pointer.write(Act,1)
                          file1_pointer.flush()
                          file1_pointer.close()
                          button6.hide()

                          Creates a text file in the database directory, one character.

                          This goes in the code for the oninit event of the form containing the button....

                          ''XBasic
                          filename=:A5.get_path()+chr(92)+"beendone.txt"
                          test=file.exists(filename)
                          IF test=.T. THEN
                          button6.hide()
                          End IF

                          Tests for the existence of the text file and hides the button if the text file exists.
                          There can be only one.

                          Comment


                          • #14
                            RE: Auto delete a buton.

                            Hi Stan,

                            I've been tied up for a bit so I'll get to it tonight, it is an
                            interesting approach and clever thinking.
                            Thank you,
                            efs

                            Comment


                            • #15
                              RE: Auto delete a buton.

                              Hi Stan,

                              I have been playing with this for several days but still get the error;
                              "object method error, a parameter may be incorrect or misspelled".

                              Here is what I have on the ONPUSH EVENT of the button:

                              ''XBasic
                              'your code here......
                              :copy.run("app_alfdos")
                              '........
                              'substitute your button's name for button6
                              filename=:A5.get_path()+chr(92)+"beendone.txt"
                              result=file.exists(filename)
                              IF result=.F. THEN
                              file_pointer=file.create(filename,FILE_RW_EXCLUSIVE)
                              file_pointer.flush()
                              file_pointer.close()
                              END IF
                              Act = "F"
                              file1_pointer=file.open(filename,FILE_RW_EXCLUSIVE)
                              file1_pointer.write(Act,1)
                              file1_pointer.flush()
                              file1_pointer.close()
                              button12.hide()

                              This is what I have on the ONINIT EVENT of the form that the button is on ...

                              ':controlpanel.hide()
                              parentform.maximize()
                              filename=:A5.get_path()+chr(92)+"beendone.txt"
                              test=file.exists(filename)
                              IF test=.T. THEN
                              ' button12.hide()
                              End IF

                              Some lines are presently commented out for test purposes.

                              BTW, the update operation works OK when tested.
                              The button is named button12

                              All help is gratefully accepted,
                              efs

                              Comment

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