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Populate Combo Box With Expressions Result

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    Populate Combo Box With Expressions Result

    I want to populate a combo box with the results of an expression. The expression is based on the use of an activex


    On my systems this expression returns the name of my sound card which is:
    "SoundMax Digital Audio"

    If I had a 2nd sound card in my system, the following expression will show its name :Settings_Audio:record.activex.GetInputDeviceDesc(1)

    I would like to be able to have just a single combo box show all installed sound cards. I figure I would need to list a few possibilities like:

    I dont think any system would have that many sound cards installed at any one time, so ability to show 6 should be enough.

    The thing is; How do get the combo box to show the results of the expressions. Nothing that i've tried has work. the best I got so far is, when I drop down the list the 6 expressions show, but as expressions, not as soundcards.

    Re: Populate Combo Box With Expressions Result

    On my systems this expression returns the name of my sound card which is
    returns where/how? Do you see that in the Object Explorer on a form? If you put a calculated field on the form with that expression does it display the card name?
    There can be only one.


      Re: Populate Combo Box With Expressions Result

      I can put it in a dialogue box and when that dialogue shows that sound card name will.
      If I place it under a button to set the sound card name in a feild it will.

      The attached picture shows both these example in progress. one but sets the card name in the feild and the other shows a dialogue.

      the problem is when i try to get the cards name into the combobox, theis is literally what i see in the drop down

      It shows the expressions instead of processing them.
      Attached Files


        Re: Populate Combo Box With Expressions Result

        You are making the choices Computed Automatically, Expression that returns a crlf() list, with the expression

        There can be only one.


          Re: Populate Combo Box With Expressions Result

          Only the 1st expression shows in the drop down with those code stan.


            Re: Populate Combo Box With Expressions Result

            maybe if you could create the codes to list a dropdown based on any A5 xbasic expression. I know how to populate the dropdown with feilds and tables and scripts etc. but a working example based on any xbasic should be good. I know you cant actually test the codes I gave here because u more than likely didnt download the ocx, so just please create one based on anything you have at ur disposal and I should be able to apply to may scenario.
            Thanks for the efforts so far.