Double tap toggle key combo

[red]

Hello, im actually looking for a script that use the fonction double tap, exemple : if i press 2 times W in less than 0.5ms and hold it it press LShift...

so ww+hold enable Lshift until i realease w

I found some scripts but they don't work as i want at all..

Thanks for reading

[eventhorizon]

Check out the KeyWait command with the Timeout option, the GetKeyState() command for some possibilities there, and the A_Tickcount variable for some ideas on how you might want to time that stuff.