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Writing HIViews that support 10.3.9 and later

Hi, all.

Please forgive the newbie-like question, but I'm currently designing classes which use HIViews which need to support 10.3.9 and later. The issue I'm confused about are the plethora of functions that were added to HIView.h in Tiger (i.e., functions which are labeled "10.4 or later"). Many of them (HIViewIsEnabled, HIViewSetEnabled, HIViewSetText, HIViewGetText, HIViewSetValue, HIViewGetValue, ...) appear to be simple renames of standard Control Manager functions.

So I have a two-part question:
[1] If I am writing code that must work in 10.3.9 and later, is there any reason to be version-sensitive here? I.e., should I go to the trouble of looking for the 10.4-flavor API and falling back to the equivalent Control Manager function if not found, or is it sufficient to just use the Control Manager functions (with notes on to remind me what to do when I drop my 10.3.9 support)?

[2] Specifically, 10.4 introduced HIViewGetEventTarget. Is there any reason not to GetControlEventTarget and install events as needed?

Cheers,

Rick Aurbach
Aurbach & Associates, Inc.

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