Re: Audit the buttons code

[Robert Shearman]

Dmitry Timoshkov wrote:
"Dimitrie O. Paun" <[EMAIL PROTECTED]> wrote:
 

I didn't oppose a comment itself, I don't like that it confuses people
by mentioning comctl32. That's simply not true.
     

Dmitry, please stop repeating misinformation. Go read the MSDN, I've
provided you with the relevant URLs. Here is the situation:
 -- in XP, there are *two* implementations of the standard controls:
    the old one in user32, and a strict superset, in comctl32.
    Applications can ask for the one in comctl32 by specifying so
    in their manifest file. This is done so that applications continue
    to run on older versions of Windows.
   

You still didn't provide anything to prove that comctl32 in XP simply
does not subclass user32 button. I repeat that there is *one* button
implementation is user32, and comctl32 most likely simply add theming
to it by providing custom drawing code.
This is impossible. You can only subclass using a window with a 
different class name or a window of the same class name with the 
previous class unregistered and using the old window proc with identical 
class attributes. Since the class name is the same for both the old 
user32 controls and the new comctl32 controls then the first method 
cannot be used. Since the old window proc is not exported from user32 
(and with good reason) the second cannot be used.

Rob