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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 http://www.activesoundrecorder.com/

    :Settings_Audio:record.activex.GetInputDeviceDesc(0)

    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:
    :Settings_Audio:record.activex.GetInputDeviceDesc(0)
    :Settings_Audio:record.activex.GetInputDeviceDesc(1)
    :Settings_Audio:record.activex.GetInputDeviceDesc(2)
    :Settings_Audio:record.activex.GetInputDeviceDesc(3)
    :Settings_Audio:record.activex.GetInputDeviceDesc(4)
    :Settings_Audio:record.activex.GetInputDeviceDesc(5)

    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.

  • #2
    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.

    Comment


    • #3
      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
      :Settings_Audio:record.activex.GetInputDeviceDesc(0)
      :Settings_Audio:record.activex.GetInputDeviceDesc(1)
      :Settings_Audio:record.activex.GetInputDeviceDesc(2)
      :Settings_Audio:record.activex.GetInputDeviceDesc(3)
      :Settings_Audio:record.activex.GetInputDeviceDesc(4)
      :Settings_Audio:record.activex.GetInputDeviceDesc(5)

      It shows the expressions instead of processing them.
      Attached Files

      Comment


      • #4
        Re: Populate Combo Box With Expressions Result

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

        Code:
        :Settings_Audio:record.activex.GetInputDeviceDesc(0)+crlf()+:Settings_Audio:record.activex.GetInputDeviceDesc(1)+crlf()+:Settings_Audio:record.activex.GetInputDeviceDesc(2)+crlf()+:Settings_Audio:record.activex.GetInputDeviceDesc(3)+crlf()+:Settings_Audio:record.activex.GetInputDeviceDesc(4)+crlf()+:Settings_Audio:record.activex.GetInputDeviceDesc(5)
        There can be only one.

        Comment


        • #5
          Re: Populate Combo Box With Expressions Result

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

          Comment


          • #6
            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.

            Comment

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