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Know if shift key is down
Message
From
20/04/2009 10:03:59
 
 
To
20/04/2009 09:46:15
General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Environment versions
Visual FoxPro:
VFP 9 SP1
Miscellaneous
Thread ID:
01395572
Message ID:
01395580
Views:
65
Perfect!!!! Thanks so much.

>>Is there some way to know if the shift key is down .... when the focus is on a different form?
>>
>>Background: from within my PEMEditor tool, which works when using either the Form or Class Designer, I want to know when the user has held the shfit key while using the designer (presumably for selecting multiple objects).
>>
>>Thus, normal techniques of capturing key movements or mouse movements are irrelevant, since these events are not occurring on my form.
>>
>>Thanks in advance.
>
>
>
>
>&& do at startup
>declare short GetKeyState in User32 integer vKey
>
>* Left SHIFT key
>#define VK_LSHIFT (0xA0)
>
>* Right SHIFT key
>#define VK_RSHIFT (0xA1)
>
>
>#define	VK_LSHIFT_DOWN		bittest(GetKeyState(VK_LSHIFT), 31)
>#define	VK_RSHIFT_DOWN		bittest(GetKeyState(VK_RSHIFT), 31)
>
>
>if( VK_LSHIFT_DOWN or VK_RSHIFT_DOWN )
>   && yes
>endif
>
Jim Nelson
Newbury Park, CA
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