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From: Martin <martin.dowie@btopenworld.com>
Newsgroups: comp.lang.ada
Subject: Re: This MIDI stuff, would someone be interested in reviewing my
	code?
Date: Tue, 9 Mar 2010 05:11:25 -0800 (PST)
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Date: 2010-03-09T05:11:25-08:00
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On Mar 9, 12:24=A0pm, John McCabe <j...@nospam.assen.demon.co.uk> wrote:
> On Tue, 09 Mar 2010 10:21:00 +0000, John McCabe
>
> <j...@nospam.assen.demon.co.uk> wrote:
> >>I would make Numinputdevices and Numoutputdevices constants.
> >They're not constants though - they're discovered from the
> >midiInGetNumDevs and midiOutGetnumDevs functions.
>
> Just realised what you mean; they're constant through the life of the
> program so do
>
> procedure MidiDevs is
> =A0 =A0blah
>
> =A0 =A0Num_Input_Devices : Win32.UINT :=3D Win32.Mmsystem.midiInGetNumDev=
s;
> =A0 =A0<same for output>
> begin
>
> =A0 =A0blah
>
> end MidiDevs;
>
> Yes, that would be possible.

Better yet:
   Num_Input_Devices : constant Win32.UINT :=3D
Win32.Mmsystem.midiInGetNumDevs;

Cheers
-- Martin