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User Defined Control, event setting, etc, problem

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    #1

    User Defined Control, event setting, etc, problem

    Hi,

    I am trying to use a "user defined control" on a form, and cannot get the syntax correct - I think.

    From the A5 Xbasic Ref Manual, pages 74/75, I believe I should be able to have a UDC which will do the following:-

    Recognize the occurance, if it happens, of a message during a script; acknowledge the message(give an "ok"); then display a corresponding, but different, message; and maybe take some actions.

    The first message I want to deal with is "record not found", but there will be others.

    I have got the UDC on the form, but making it work is baffling me.

    Any help would be appreciated.

    Brian.
    Tags: None
    #2
    RE: User Defined Control, event setting, etc, prob

    Brian,

    Are you sure you want a UDC? I've never used them.

    Why not just a button? And add the code:

    script here

    IF Script_above = whatever
    Ui_msg_box("Title","This condition is true.",0+64)
    End IF

    script continue

    Good scripting

    Tom

    The 0 above gives the OKAY button to continue

    Comment

      #3
      RE: User Defined Control, event setting, etc, prob

      Tom,

      Thanks for the response.

      I am basically trying to set up a system where the English messages will not be seen, or at least not noticed much, in an app. Eg during a "find", if the message "record not found" appears, I would like to automatically give an "ok" to clear the message, and then show a corresponding but different message and maybe do an action.

      As I understand it, your method would need the "script here" to recognize the appearance of a message, and that is what I am not getting.
      If I can have something, as per an event, which recogizes the appearance of a message then I think I will be ok; using a button would be simple then, I agree. I cannot get the "OnMessage" to work - syntax problem I think.

      The app is in Portuguese, and I want to avoid English messages appearing if possible, as our staff won't understand them. I could just tell them to "ok" anything that appears, but that seems pretty shotgunnish.

      Thanks for your help,

      Brian

      Comment

        #4
        RE: User Defined Control, event setting, etc, prob

        Brian,

        Pardon me for jumping in. I think there's an easier way.

        Build a custom find, prompting the user for the search key, doing the find with Xbasic, and then if the find is not successful, popping up a message box in the language of choice.

        Would an example help?

        -- tom

        Comment

          #5
          RE: User Defined Control, event setting, etc, prob

          Brian,

          Here's an example of a custom find by key sequence. The
          approach outlined here could be adapted to accommodate others kinds of searches.

          -- tom

          Comment

            #6
            RE: User Defined Control, event setting, etc, prob

            Tom Cone Jr,

            Thanks for the help, I'll try it out.

            Am I reading the manual wronly, I thought it meant that there is available an event "OnMessage", which I could then use, similar to "onerror"

            Thanks for the help,

            Brian

            Comment

              #7
              RE: User Defined Control, event setting, etc, prob

              Brian,

              I have zero experience building User Defined Controls. I think they're included so that folks who know how to build windows and dialog boxes in C, using direct calls to the Windows API, can accommodate them in Alpha Five. This is an area that I think is very advanced, and I don't think there are many Alpha Five developers that could offer guidance to you. Avoiding such things is the principle reason I chose Alpha Five as my primary development tool.

              -- tom

              Comment

                #8
                RE: User Defined Control, event setting, etc, prob

                Tom,

                Thanks for the advice. I think that there are already enough holes in walls made with my head around here, so I agree; I'll leave that area alone.

                Brian.

                Comment

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