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Test for Shift Key
Message
From
26/09/2005 10:05:11
 
 
To
26/09/2005 09:57:42
General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Environment versions
Visual FoxPro:
VFP 8 SP1
Miscellaneous
Thread ID:
01052949
Message ID:
01053031
Views:
8
>>>>Hi All. Is it possible to test for just the shift key being held down? Or the Alt key or the Ctrl key - just by themselves?
>>>
>>>Want you the state or the notification of the event ?
>>
>>Hi Fabio. I would like to know if it is depressed or not ie. state.
>
>Jos, you choose what you like more GetKeyState or GetAsyncKeyState
>
>DECLARE SHORT GetKeyState IN WIN32API INTEGER
>#define VK_SHIFT    0x10
>#define VK_CONTROL  0x11
>
>CLEAR TYPEAHEAD
>WAIT WINDOW "NOW TEST GetKeyState" TIMEOUT 5
>x=null
>FOR k=1 TO 50
>	DOEVENTS FORCE
>	newX=GetKeyState( VK_SHIFT ) < 0
>	IF m.newX = m.x
>		LOOP
>	ENDIF
>	x=m.newX
>	WAIT WINDOW IIF(m.x,"you enter with down","you enter with up") NOWAIT NOCLEAR
>NEXT
>
>CLEAR TYPEAHEAD
>WAIT WINDOW "NOW TEST GetAsyncKeyState" TIMEOUT 5
>
>DECLARE SHORT GetAsyncKeyState IN WIN32API INTEGER
>x=null
>FOR k=1 TO 5000000
>	newX=GetAsyncKeyState( VK_SHIFT ) < 0
>	IF m.newX = m.x
>		LOOP
>	ENDIF
>	x=m.newX
>	WAIT WINDOW IIF(m.x,"now is down","now is up") NOWAIT NOCLEAR
>NEXT
>WAIT CLEAR
>
Thanks Fabio. WIll do.
In the End, we will remember not the words of our enemies, but the silence of our friends - Martin Luther King, Jr.
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