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Runs twice after refresh

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    #16
    RE: Runs twice after refresh

    I hate it when I hit the wrong key!

    Anyway, the process, as I recall, goes like this:

    1. The Refresh Box appears and the user says OK.
    2. The startup form opens and then closes.
    3. The control panel opens and then closes.
    4. The refresh process continues.
    5. The control panel opens again momentarilty and then closes.
    6. The startup form appears.
    7. A second instance of the startup form opens on tops of the first.

    In the status bar at the bottom the first instance of the startup form is called MAINMENU (the correct form name). The second instance is called MAINMENU0.

    Comment

      #17
      RE: Runs twice after refresh

      Bruce,

      I am seeing what you describe.

      What operating system are you using.

      Bill
      Bill Hanigsberg

      Comment

        #18
        RE: Runs twice after refresh

        Bruce,

        That is interesting. I get the same steps 1 to 6 in varying order, but instead of the startup form opening twice, the controlpanel sometimes reopens. I will test a little more and see what happening in a different operation systems and processor speed.

        Jerry

        Comment

          #19
          RE: Runs twice after refresh

          Ok, here are the results of another test. The test database is very small with one table and one form. In this test the server is 700 mhz Celeron running WinME, the terminal is a 2.4 ghz running WinXP Home.

          I get Bruce's steps 1 to 6 with the result being only one instance of the form open, and no control panel, which seems correct. I ran this about 6 times. The first instance of the form and contolpanel opening (steps 1 & 2) was very fast, almost a flash. So far so good. I don't care for the controlpanel being visible momentarily, but I know some processes require it to be open so that doesn't bother me.

          However, in another instance, I got an unhandled exception and A5 shut down. The difference in this case was that I opening the server copy directly from the terminal and changed the network version. I then opened the shadow copy on the terminal without closing down the server copy (a5 should have shut it down when it loaded the shadow)

          Ed mentioned in another thread about the controlpanel staying open on the form tab with a no forms showing. This seems to be the normal state of the control panel after the terminal refreshes (Bruce's step 5). A controlpanel refresh shows all of the forms. This is not an issue in my mind.

          However, I found another interesting anomoly. If I opened the server directly on the terminal, and then ran network optimization to create the shadow, the process would seem to complete, but the startup form on the newly created shadow didn't opened. Only the control panel was open. I was able to repeat this 3 times in succession. The process seemed to stop at step 5.

          All of this seems to me to be some issue of more than one process running concurrently, since different processors seem to give different results. I have seen a similar issue in an old A5V4 application where I rapidly open one form and then use an OnTimer event on that form to open another (don't ask why, it is a clunky workaround for another problem). The second form then closed the first form. If the OnTimer was too fast, the forms wouldn't open in the correct sequence or close correctly, but only on some computers. The faster the processor, the more often the problems occurred.

          Jerry

          Comment

            #20
            RE: Runs twice after refresh

            Hello Jerry,

            As it appears that you have this 'test bed' up and running, how about inserting Xbasic_wait_for_Idle() commands everywhere you can and see what happens. You might not be able to find may places to do his as Alpha processes most of this internally, but you could put the startup form in the autoexec script and preceed the form.view() command with an Xbasic_wait_for_idle(). Just a thought.

            I had a situation were a routine was working differently (basically not working) on a clients systemm but worked fine on my system. The xbasic_wait_for_idle() settled things right down, and now it works fine on both systems.

            Jim

            Comment

              #21
              RE: Runs twice after refresh

              I am using a mix of NT 4.0 (sp6) and Win 2000Pro with 1 XP Pro machine. The machines themselves range from an old Pentium Pro to a brand new Pentium 4 machine.

              Comment

                #22
                RE: Runs twice after refresh

                Yes, there is definitely a gremlin at work here somewhere. As I sad, I began to see this behavior several builds ago. As I recall, the particular build where I first saw the problem was one where there were changes noted to the Network Optimize routines.

                My only comment on your testing is one relative to machine speed. I am running apps on machines of varing age/speed. The oldest uses a Pentium Pro processor (not sure of the speed but it is slow) while the newest is a Pentium 4 2.4 ghz. The problem exists on every machine.
                It also seems to be independent of Win versions.

                I sent Selwyn one of my apps and he was unable to duplicate the problem. All of my apps are relatively simple with no autoexec. All hide the control panel and display a startup form as a main menu.

                Comment

                  #23
                  RE: Runs twice after refresh

                  Hi Jim,

                  If you look back to the 2nd message in this long thread you will see that I have already tried xbasic_wait_for_idle() to no effect.

                  Bill
                  Bill Hanigsberg

                  Comment

                    #24
                    RE: Runs twice after refresh

                    Just wanted to chime in that I've been having the problem with the control panel ending up showing after a refresh also.

                    Of course I immediately want my users to get out of control panel so I have them shut A5 down and restart. Usually I just do it for them, therefore killing one real advantage of A5 over Access.

                    I sent it to Selwyn and he couldn't duplicate. Maybe now that others are reporting the same thing they can find something.

                    Comment

                      #25
                      RE: Runs twice after refresh

                      Jim

                      My test doesn't use an autoexxc to load the form or hide the controlpanel. These are selected in database properties and are controlled by the Alpha internal code. I do suspect you are on to something as there appears to be a timing issue present.

                      Jerry

                      Comment

                        #26
                        RE: Runs twice after refresh

                        Bruce

                        I think the biggest problem here is that everyone seems to be getting slightly different results in different combinations of systems. In all of my testing, I have never seem the form open twice at the end. However, I have seen the sequence of opening and closing the form and control panel vary, which seems a unique problem.

                        The other problem I am seeing with the initial network optimize not opening the startup form on the shadow when the shadow opens at the end of the process also seems unique. Further testing today brought up a new twist to that issue. If I closed the shadow after it was created, but don't close A5, when I reopen the shadow, the startup form still doesn't load. If I close A5 and reopen and start the shadow, now the form does open on startup. This did not happen on the other test network I tested with the same test database.

                        Jerry

                        Comment

                          #27
                          This continues to be a big problem for all the computers on our network. Everytime the shadow databases are automatically refreshed two copies of the startup form are opened. Was this ever fixed? If not, how can this be fixed?

                          Comment

                            #28
                            If you are using A5V5 it will not be fixed as Version 5 is no longer being updated.
                            Bill Hanigsberg

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