winapi - How can I make a systray (notification area) icon receive WM_MOUSEWHEEL messages? -

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I want to extend an existing application that I want to wheel-scroll and set the mixer volume on the notification area icon Made it. / P>

As far as I know, the information area does not receive any WM_MOUSEWHEEL messages, but still I found an application that I want to receive (). Using WinspectorSpy I have seen some strange messages that receive the application form: 0x000003d0 and 0x000003d1, but I did not find any reference about them.

Anyone have any idea about getting the desired functionality?

If you want to receive mouse / keyboard events outside of your application, then you will need it.

A good initial article about installing mouse hooks in Delphi was written by Zorko Gagic. Written on

Users who start your application will need administrative rights to set up the hook.

After you capture the message, you should determine whether it is above your icon in the notification bar (which can be difficult because there is no accurate for getting your position on the bar ) And scroll is more than the event's process.


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