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Groups > comp.lang.basic.visual.misc > #725

Re: How to tell when an ocx method call is finished?

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"mike" <spamme9@gmail.com> wrote in message 
news:jfmopc$j7g$1@dont-email.me...
> I'm trying to make the Softmark USB to GPIB converter work.
> The vendor is unwilling to supply any documentation of sample programs
> or ANYTHING other than a crippled demo program.
> I've fixed the hardware, but the firmware doesn't support my fix.
> I've been experimenting, trying to reverse engineer the .ocx file that
> came with it.
>
> Doing a GPIB handshake for every byte in visual basic is excruciatingly
> slow, but I'd like to use this turkey for something.
>
> Problem is that there's an ocx method to write the ports.
> But it can take as much as 300ms for it to happen.
> And there's no feedback, so I have to poll the registers,
> which ain't valid for up to 300ms.
>
> So, is there a way to tell when the method has finished?
> I've used wait for single object to call programs
> using the shell.  Is there something similar that I can
> use on an unknown "black box" call thru an ocx?

The method is "done" when the call returns. Well made stuff should have an 
event to trigger when the work was actually done. Try pressing F2 to bring 
up the Object Browser, select the OCX, and see if it provides any events.

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Thread

How to tell when an ocx method call is finished? mike <spamme9@gmail.com> - 2012-01-24 09:10 -0800
  Re: How to tell when an ocx method call is finished? "Auric__" <not.my.real@email.address> - 2012-01-24 17:52 +0000
  Re: How to tell when an ocx method call is finished? ralph <nt_consulting64@yahoo.net> - 2012-01-24 12:18 -0600
    Re: How to tell when an ocx method call is finished? mike <spamme9@gmail.com> - 2012-01-24 23:29 -0800
  Re: How to tell when an ocx method call is finished? "Farnsworth" <nospam@nospam.com> - 2012-01-25 20:19 -0500
    Re: How to tell when an ocx method call is finished? mike <spamme9@gmail.com> - 2012-01-26 11:02 -0800
      Re: How to tell when an ocx method call is finished? "Farnsworth" <nospam@nospam.com> - 2012-01-28 14:25 -0500
        Re: How to tell when an ocx method call is finished? mike <spamme9@gmail.com> - 2012-01-28 15:01 -0800
          Re: How to tell when an ocx method call is finished? "Farnsworth" <nospam@nospam.com> - 2012-01-29 22:42 -0500

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