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Connect and share knowledge within a single location that is structured and easy to search. I think this problem should be easy to solve, and I'm bringing it here because I really feel like I've looked everywhere for a solution. My code is written in C and should simply over write the Alt-Tab hotkey.
This line works in XP but return false in I know that Windows 7 now requires that I unregister the hotkey before I can register my new one, and this is where the problem lies. When I check on the last error code I get code , meaning the hotkey already exists. However if I call this line before the one above:.
That line fails and the last error code is set to , meaning no such hotkey exists. These lines do work in XP, and I am able to register a hotkey and then unregister it. Any help or general pointers would be greatly appreciated. I don't think there is a way to do this. Not to mention, even if you manage to somehow register your hotkey overtop of the existing one, what happens when your application exits?
Suddenly, there's no Alt-Tab at all. Not sure if you've already seen this? Might have to a little work with C here. Did you also run the program as administrator rather than just being logged in as Admin? After XP programs don't necessarily get admin rights just because the user is admin, you could try right-click Run As Administrator or similar.
UnregisterHotKey works fine and returns 0 when it is fired from the same tread where registration was done, so make sure that you unregister you hot keys from the same thread, otherwise it returns Tested on Vista. Stack Overflow for Teams — Collaborate and share knowledge with a private group. T-Mobile iCloud Private Relay. Avira Antivirus Crypto Miner.
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