Re: XP Theming

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#5187

From: Remy Lebeau (TeamB)
Date: Thu, 25 Aug 2005 06:27

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"JD" <nospam@nospam.com> wrote in message
news:430d25b0$1@newsgroups.borland.com...

> It's *exactly* what I posted except that the object was derived
> from TStringGrid and instead of using AllocateHWnd, I passed
> the grid's Handle to OpenThemeData.

Well, your code is in the constructor, where the inherited Handle is not
valid to begin with.  What happens if you delay your code until after the
StringGrid's Handle is actually available?

> Not true.

Yes true.

> UxTheme.dll can be present and theming enabled but you still need
> to check the Major version for ComCtl32

No, you do not.

> because to do theming, a manifest file must still exist.

Exactly.  Since you are dynamically loading the theming functions at
runtime, if no manifest exists then the OS will load ComCtrl32.dll v5.x
instead of v6.x, and thus GetProcAddress() will fail to find the functions.
You can test for that condition without doing any version checking at all.


Gambit

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Subject: Re: XP Theming
Date: Wed, 24 Aug 2005 23:27:13 -0700
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