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Progress Bar

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    Progress Bar

    Hi

    When carrying out an operation that takes some time, it would be nice to display a progress bar.

    I have downloaded Jerry Brightbill's example but on exit an error occurs saying that the modeless dialogue box is not found

    Any suggestions would be appreciated


    Many thanks

    Alex Muir
    Database Software Solutions Limited
    www.dbasesolution.co.uk
    http://www.precise360.co.uk
    PRECISE360 -
    LYNCHPIN -

    #2
    RE: Progress Bar

    I posted a couple examples, so I don't know which one you are using. However, that message indicates that the close command probably has the wrong name. If you are using

    ui_modeless_dlg_close("Progress")

    to close the xdialog, the title of the xdialog must be the input parameter. If you changed the title to something other than "Progress", then place that title as the function input parameter. Also, if the xdialog is already closed and that command is run, it will generate an error.

    Jerry

    Comment


      #3
      RE: Progress Bar

      Hi Jerry

      Thanks for the fast response.

      I don't think dialogue box name has changed in the code.

      Here is the code:

      'Show Progress Bar - Created by Jerry Brightbill
      dim runtime as n
      dim sleeptime as n
      dim text as c
      dim box as c
      runtime = 5
      sleeptime = runtime/20
      box = "{I:'a5_color_red'}"
      data = box
      text = "Please wait while the database is re-indexed and deleted records cleared"
      ui_modeless_dlg_box("Database Maintenance",""%dlg%
      {xmargin=2,0}
      [%O={@@}%.50,1^#data]{sp=2};
      {lf}
      {text=75text}
      %dlg%)
      ui_modeless_dlg_refresh("Database Maintenance")

      'Begin operations
      for i = 1 to count

      do stuff

      for n = 1 to 20
      sleep(sleeptime)
      data = data + box
      ui_modeless_dlg_refresh("Database Maintenance")
      next n

      ui_modeless_dlg_close("Database Maintenance")

      next i

      ui_msg_box("Notice", "Database Compact Completed",UI_INFORMATION_SYMBOL)

      end if
      Database Software Solutions Limited
      www.dbasesolution.co.uk
      http://www.precise360.co.uk
      PRECISE360 -
      LYNCHPIN -

      Comment


        #4
        RE: Progress Bar

        Alex

        A couple issues with the code as shown. The way it is written, the xdialog closes before the loop using i completes. Therefore both the refresh and the close fail as the dialog is already closed. You could move the close outside the loop, or replace each refresh or close command with something like this

        if ui_modeless_dlg_exist("Database Maintenance")
        ui_modeless_dlg_refresh("Database Maintenance")
        end if

        and test if the dialog is still open.

        Actually, the original code doesn't work all that well. This method was my first try at a progress bar and has some issues. The sleep command stops all processing for the sleep period so that isn't a good thing. A better method is to estimate the time the process will run and just run the dialog for that period. I have attached a text file for a script that runs for 5 seconds.

        Another solution is to buy the calendar and toolbox addin. Not only do you get calendars, but three different progress bar functions and instructions.

        Jerry

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