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microsoft.public.dotnet.framework.sdk

System.IO.DirectoryInfo.Exists question

Yavor Boichev

12/18/2002 1:16:00 PM

If a directory "c:\temp" exists then:

new System.IO.DirectoryInfo(@"c:\temp").Exists = true

but

new System.IO.DirectoryInfo(@"c:\temp\").Exists = false


Shouldn't the second result be true? After all "c:\temp\"
is another alias of the same existing directory.
4 Answers

NETMaster

12/18/2002 1:50:00 PM

0

> new System.IO.DirectoryInfo(@"c:\temp\").Exists = false

This works for me... (= true)

I tested with .NET 1.0 SP2 and 1.1 FB, on Windows XPSP1 with NTFS.
Do you use any other (.NET beta) ?


Also try 'verbose' code:

DirectoryInfo di = new DirectoryInfo( @"c:\temp\" );
bool exists = di.Exists;


or alternative:

bool ss = Directory.Exists( @"c:\temp\" );



--
Thomas Scheidegger - MVP .NET - 'NETMaster'
http://www.cetus-links.org/oo_d... - http://dnetm...

Yavor Boichev

12/18/2002 2:07:00 PM

0

I use .NET 1.1 and none of the verbose codes you've provided works
OS is win2000 sp3
"Thomas Scheidegger [MVP] NETMaster" <spam.netmaster@swissonline.ch> wrote
in message news:eOJNLOppCHA.2284@tk2msftngp13...
> > new System.IO.DirectoryInfo(@"c:\temp\").Exists = false
>
> This works for me... (= true)
>
> I tested with .NET 1.0 SP2 and 1.1 FB, on Windows XPSP1 with NTFS.
> Do you use any other (.NET beta) ?
>
>
> Also try 'verbose' code:
>
> DirectoryInfo di = new DirectoryInfo( @"c:\temp\" );
> bool exists = di.Exists;
>
>
> or alternative:
>
> bool ss = Directory.Exists( @"c:\temp\" );
>
>
>
> --
> Thomas Scheidegger - MVP .NET - 'NETMaster'
> http://www.cetus-links.org/oo_d... - http://dnetm...
>
>

NETMaster

12/18/2002 3:22:00 PM

0

I tested again on Windows 2000 SP3 with .NET 1.1 FB:
it works for me...


> I use .NET 1.1

- which 1.1 version? ('Final Beta'?)
Check file version of ...win-dir..\Microsoft.NET\Framework\v1.1.4322\ mscorcfg.dll
1.1.4322.510 = FB.

- does this only happen with c:\temp\,
or also with all other directories (e.g. c:\winnt\) ?


- is your C: drive formated with NTFS ?
- if yes, what are the security settings?

- is this c:\temp\ dir empty?

- for a final test, but maybe you no longer can reproduce the problem :
first create a backup of c:\temp\
- delete all content, test again.
- delete c:\temp\, then recreate it, test again



--
Thomas Scheidegger - MVP .NET - 'NETMaster'
http://www.cetus-links.org/oo_d... - http://dnetm...

(Mike Clay (MSFT))

12/20/2002 9:54:00 PM

0

Hi Yavor,

I tested and got "True" in both scenarios also. I'm still trying to figure
out what might cause that property to return False.

Mike Clay, MCSD
Beta Technical Support


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