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From The Pages of FPA
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Forum:
Visual FoxPro
Category:
Other
Miscellaneous
Thread ID:
00351646
Message ID:
00351659
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26
You should send this to the following address:

foxpro@advisor.com

Thanks for posting this... If more folks do this, maybe FPA will start to listen.

>In light of or more of the recent threads in this area, here's a little something from the "Advisor Tips" section of FPA. As a side note, I find it interesting that Steve Sawyer is no longer the editor of this column.
>
>The title of this gem is "Determine if a Drive Exists". Without getting into any of the text, it has the following RETURN:
RETURN (DISKSPACE(tcDrive) > 0)
where tcDrive is the drive in question.
>
>Only one problem...under NT you get a nasty error dialog if SetErrorMode() isn't properly called (and later restored to it's original state) to disable it.
>
>Now if you're going to be mucking about with API anyway, then...
DECLARE INTEGER GetLogicalDrives IN Win32API
>RETURN BITTEST(GetLogicalDrives(), ASC(UPPER(tcDrive)) - 65)
>
>gets the job done very cleanly.
>
>Back in the January, 2000 issue, while Steve was still the Contributing Editor, there was a tip that synchronized the VFP _DBLCLICK system variable with the setting the user had established in the Control Panel:
DECLARE INTEGER GetDoubleClickTime IN Win32API
>_DBLCLICK = GetDoubleClickTime() / 1000
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