Re: Receiving NIN_BALLOONUSERCLICK from system tray balloon

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#4496

From: JD
Date: Tue, 17 Jan 2006 18:24

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Kris <x.y@xyz.xx> wrote:
>
> The new TTrayIcon component of C++ Builder 2006 makes it
> very easy to create system tray balloons :

So does this:

    http://groups.google.com/group/borland.public.cppbuilder.vcl.components.using/msg/57af11b9a35689b0

and if it's the same TTrayIcon (only slightly modified) as
previouse versions of BCB, it's full of bugs.

> The NIN_BALLOONUSERCLICK was unknown to builder 2006

Examine the header file (at the top) of the above link. That
message is handled in the code.

// M$ says this should be 0x0500 for shellapi >= 5.0 
// but cpp needs it to be 0x0501 or 0x0600 
#undef _WIN32_IE 
#define _WIN32_IE 0x0501 

> so I grabbed its definition from the Windows SDK's ShellAPI.h.

You did a poor job because it is not:

>	#define NIN_BALLOONUSERCLICK (WM_USER + 5)

WM_USER is reserved for us and *not* used by Windows.

~ JD

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