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Auto delete a buton.

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  • Guest's Avatar
    Guest replied
    RE: Auto delete a buton.

    Hi Jerry,

    Thank you for reading and your time to construct the code. What I have
    now works good, but I'll try your method as well and then evaluate the
    pros and cons.
    Thanks again,
    efs

    Leave a comment:


  • JerryBrightbill
    replied
    RE: Auto delete a buton.

    I have been following this thread and suggest a different, easier method. Set the button as hidden and only show it if a specific condition exists. Since this is a one use event, add a simple txt file or whatever to the original setup. When the form opens, check if the fie exists. If it does, show the button. If it doesn't, do nothing. When you run the button delete the file. What is in the file doesn't matter. It could be anything, since the file never opens.

    Create a file called whatever in the database directory- "Open_once.txt"

    on form OnActivate

    if file_exists(a5.get_path()+chr(92)+"Open_once.txt")
    button.show()
    end if

    Then on the code for the button

    if file_exists(a5.get_path()+chr(92)+"Open_once.txt")
    file.remove(a5.get_path()+chr(92)+"Open_once.txt")
    end if

    I prefer using the full path for all file actions. I add the chr(92), which is the backslash, since the path function does not return that.

    A different look at the forest

    Jerry

    Leave a comment:


  • Guest's Avatar
    Guest replied
    RE: Auto delete a buton.

    Hi Jerry,

    Now you can use the code above, I removed my booboos. Where there is a
    line ":append.run("afl_appdos"), just follow it with more of the same
    to get your 5 operations running.
    Wish ya luck,
    efs

    Leave a comment:


  • Guest's Avatar
    Guest replied
    RE: Auto delete a buton.

    Hi Stan,

    It was my booboo. The operation is an append not a copy. So the line
    :copy.run("alf_appdos") was changed to :append.run("alf_appdos"). It
    works as advertized now.

    Thank you again for your time,
    efs

    Leave a comment:


  • Stan Mathews
    replied
    RE: Auto delete a buton.

    Works fine for me if I comment out the copy.run() as in

    ':copy.run("app_alfdos").

    Double check the spelling of "app_alfdos", otherwise I have no clue. Did you get a line number or something to tell which of the two scripts failed?

    Leave a comment:


  • Guest's Avatar
    Guest replied
    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

    Leave a comment:


  • Guest's Avatar
    Guest replied
    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

    Leave a comment:


  • Stan Mathews
    replied
    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.

    Leave a comment:


  • Stan Mathews
    replied
    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.

    Leave a comment:


  • Guest's Avatar
    Guest replied
    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

    Leave a comment:


  • Guest's Avatar
    Guest replied
    RE: Auto delete a buton.

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

    Leave a comment:


  • Guest's Avatar
    Guest replied
    RE: Auto delete a buton.

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

    Leave a comment:


  • Stan Mathews
    replied
    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

    Leave a comment:


  • Jerry Hartness
    replied
    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

    Leave a comment:


  • Guest's Avatar
    Guest replied
    RE: Auto delete a buton.

    Makes sense to me Stan.
    efs

    Leave a comment:

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