Background Process and Keypress

  • Thread starter Thread starter Joshua Campbell
  • Start date Start date
J

Joshua Campbell

I am wanting to write a program that will run in the background, but will
intercept a keypress (<CTRL> + <ALT> + L) and do a certain action.
Unfortunately, the only way that I've been able to accomplish this is if the
program is the active window. Is there a way to have this running as a
background process, yet still able to intercept keypresses?

Thanks.
Joshua
 
This is only possible with a global hook (SetWindowsHookEx), and is not
possible in either VB.Net or in C#.

But note that you would not want it to work, as the notion of injecting a
managed app into every process is a frightening one, to say the least.
 
True. Oh well. Thanks.



Michael (michka) Kaplan said:
This is only possible with a global hook (SetWindowsHookEx), and is not
possible in either VB.Net or in C#.

But note that you would not want it to work, as the notion of injecting a
managed app into every process is a frightening one, to say the least.


--
MichKa [MS]

This posting is provided "AS IS" with
no warranties, and confers no rights.


Joshua Campbell said:
I am wanting to write a program that will run in the background, but will
intercept a keypress (<CTRL> + <ALT> + L) and do a certain action.
Unfortunately, the only way that I've been able to accomplish this is if the
program is the active window. Is there a way to have this running as a
background process, yet still able to intercept keypresses?

Thanks.
Joshua
Click to expand...
Click to expand...
 
Hi Joshua,

Getting global access to the keyboard is easy when you follow the
footsteps of a Master.

The Master in question is Paul Kimmel, author of Visual Basic .NET
Unleashed, and he has written a three-part article explaining the whats and
hows of trapping the keyboard using SetWindowsHookEx:

http://www.developer.com/net/net/article.php/11087_2193301_1

Have fun. :-)

Regards,
Fergus
 
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