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Escape from dataenvironment..
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08/03/2011 10:29:23
 
 
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Information générale
Forum:
Visual FoxPro
Catégorie:
Gestionnaire d'écran & Écrans
Titre:
Escape from dataenvironment..
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Windows 7
Network:
Windows 2008 Server
Database:
Visual FoxPro
Application:
Desktop
Divers
Thread ID:
01502909
Message ID:
01502909
Vues:
158
Hi All,

I have forms that run external from the main program. In the DE.Beforeopentables() of the form, I do a low level test using fopen() to check if all the files of the table are intact. Typically, if of the file is bad or missing (not uncommon), the table won't open and the form doesn't open. This is the way I do it, don't tell me to do it another way. Here's an example:

local lnhandle,lcfilename,i

for i=1 to 5

do case
case i=1
if used(this.cursor8.alias)
exit
endif
lcfilename=upper(gcdefault+"DATA\+this.cursor8.alias+".DBF")
case i=2
lcfilename=upper(gcdefault+"DATA\"+this.cursor8.alias+".FPT")
case i=3
lcfilename=upper(gcdefault+"DATA\"+this.cursor8.alias+".CDX")
case i=4
lcfilename=upper(gcdefault+"DATA\"+this.cursor9.alias+".DBF")
case i=5
lcfilename=upper(gcdefault+"DATA\"+this.cursor9.alias+".CDX")
endcase

lnhandle=fopen(lcfilename)

if lnhandle>0
fclose(lnhandle)
else
x3msgsvc("Unable to open document table",lcfilename)
?
endif

next i

My problem is I can't seem to back out of the DE. It ignores Return (plain, .f.,.t., to whatever...), Unload, Destroy blah blah blah...
It just continues into the Load event.
The only thing that works is Return To Master, but in that case, it Quits.
Any suggestions?

Luke
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