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Capture F1 from icon

Posted on 1998-08-24
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Last Modified: 2010-04-04
I currently have an application that resides only in the system tray. Although I can access stuff with right-left-clicks, I would also like it to react when I press F1.  Does anyone know how to do this?
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Question by:jexd99
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Expert Comment

by:d4jaj1
ID: 1337602
Don't think you can because your system Tray "icon" won't have focus when the F1 key is pressed.  Either the Windows desktop has focus (the Windows default Help file will open) or the active window's application's help file will display.

The only way around this is to display your application and make sure it's active OR add a menu item to your system tray's popup-menu.

Any questions, let me know.

Jay
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by:jexd99
ID: 1337603
Thank you for the response.  I would like to override the F1 key even if the systray app doesn't have focus.  This could be way to deep into windows OS system to override this function when another app has focus, but it is something I would like to do. In other words, if Netscape is open, and the icon app is in the system tray, pressing F1 would be intercepted by the app in the systray and perform it's function.  Does this make any sense? :-)
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BoRiS earned 100 total points
ID: 1337604
jexd99

the only way to do this would be to run a system hook to trap the message of the f1 key been pressed...this could pose a problem as f1 is the standard default key for help files in all applications etc. but here is the API call you can use...

SetWindowsHookEx(WH_KEYBOARD, someDLL, nil, nil);

this is just a simple eg as to how it should look for mre detailed help check the win32.hlp file

Later
BoRiS
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Author Comment

by:jexd99
ID: 1337605
Thanks, I will research this api command to see what it would take to do this task.
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