Hi,
Last week when I was dealing with my .NET course homework assignment, I had a
problem when running the program with Mono 1.2.5.1.
The assignment was about creating a user control that shows the file system
hierarchy on the left in a TreeView, and the contents of a selected directory
on the right in a ListView. I started the solution in Visual Studio 2008 Beta
2, and everything worked fine on it. Then I thought it might be fun to try
running the program on Mono without recompiling, but then I had a problem with
a file called "pagefile.sys", which is a [+archive][+hidden][+system] page file
for caching. The program ran fine on Mono (on Windows XP SP2), except that when
it came across this file, whose path is @"F:\pagefile.sys", it raised an
exception saying that the file was not found, in
System.IO.FileInfo.get_Length(). That was confusing because no problem occured
when running the program with .NET Framework 3.5 Beta 2. I tried to avoid the
exception by filtering out files with [+hidden] and [+system] attributes before
a call to this FileInfo.Length was made, but what's strange is that the same
exception still got raised. I don't the problem had anything to do with those
attributes, though, because when browsing drive C:\ there were files with the
same attributes, but didn't raise an exception.
So I fired up SharpDevelop, started a new solution and copied the code into it,
and then compiled the solution with Mono 1.2.5.1, and still got the same
result. I tried the program in openSUSE 10.2 with Mono 1.2.5.1, too, somehow
there were different exceptions, probably because I didn't log in as root, and
didn't have enough privilege to access those directories/files.
Could anyone shed me some light on this? I've attached the solution here:
http://download.yousendit.com/60C0C5630B95DBAC, in case anyone's interested in
reproducing the bug.Greetings,- RednaxelaFX
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