Page 1 of 1

Key F12 and SHIFT+F12

Posted: Sun Jun 28, 2009 3:52 pm
by Vanguarda
Hi brothers,

I´ve a FORM and i need (wanna) include in this FORM the key of function F12, but, it don´t work with me. I test the others function key and it work fine, only key F12 don´t work.

someone help me?!


In the attachment have a little project testing the function keys.

Thanks a lot,

with best regards,

Re: Key F12 and SHIFT+F12

Posted: Sun Jun 28, 2009 4:11 pm
by Roberto Lopez
Vanguarda wrote:Hi brothers,

I´ve a FORM and i need (wanna) include in this FORM the key of function F12, but, it don´t work with me. I test the others function key and it work fine, only key F12 don´t work.

someone help me?!


In the attachment have a little project testing the function keys.

Thanks a lot,

with best regards,
HMG uses RegisterHotKey WinApi function to implement ON KEY command.

This function has a limitation on non-Win9x system. The limitation is that F12 is not available.

Please take a look at: http://msdn.microsoft.com/en-us/library ... S.85).aspx

The relevant info is the following:

Code: Select all

Windows NT4 and Windows 2000/XP: The F12 key is reserved for use by the debugger at all times, so it should not be registered as a hot key. Even when you are not debugging an application, F12 is reserved in case a kernel-mode debugger or a just-in-time debugger is resident.
Regards,

Roberto.

Re: Key F12 and SHIFT+F12

Posted: Sun Jun 28, 2009 4:57 pm
by Vanguarda
Thanks Master for explanation.


I understood now.

With best regards,