RE: [aus-dotnet] DllImport

[Mitch Denny]

Careful not to use more than 100 of them in your application or you will
have to pay customs . . . 

-----Original Message-----
From: peter@xxxxxxxxxxx [mailto:peter@xxxxxxxxxxx] On Behalf Of .net
noobie
Sent: Monday, 30 January 2006 2:44 PM
To: dotnet@xxxxxxxxxxx
Subject: Re: [aus-dotnet] DllImport

nice site for DLLImporters
http://www.pinvoke.net/


On 1/30/06, Bill McCarthy <Bill@xxxxxxxxxxxxxxx> wrote:
> Actually looks like you can use a DirectoryContext to logon as such
(or at
> least return the Domain)
>
>
> > -----Original Message-----
> > From: peter@xxxxxxxxxxx [mailto:peter@xxxxxxxxxxx] On Behalf
> > Of Nick Wienholt
> > Sent: Monday, January 30, 2006 2:18 PM
> > To: dotnet@xxxxxxxxxxx
> > Subject: RE: [aus-dotnet] DllImport
> >
> > > Is this how you access unmanaged code?
> >
> >
> >
> > Yes
> >
> >
> >
> > > Is that the right name for it? code outside of .net is not
> > managed by the framework right?)
> >
> >
> >
> > Yes
> >
> >
> >
> > > I would have thought the framework would have had somekind
> > of wrapper for OS level stuff. I mean it has it for accessing
> > files and memory streams etc, why not AD?
> >
> >
> >
> > The full Win32 API is huge compared to the .NET Framework -
> > it will take a lot of versions of the Framework before the
> > majority of Win32 is covered.  There is a new namespace -
> > System.DirectoryServices.ActiveDirectory - that covers AD,
> > but I don't think it offers login services.
> >
> >
> >
> > Nick Wienholt, C# MVP
> >
> >
> >
> > Maximizing .NET Performance
> >
> > http://www.apress.com/book/bookDisplay.html?bID=217
> >
> >
> >
> > A Programmer's Introduction to C# 2.0, Third Edition
> >
> > http://www.apress.com/book/bookDisplay.html?bID=454
> >
> >
> >
> > Sydney Deep .NET User Group
> >
> > www.sdnug.org
> >
> >
> >
> > www.dotnetperformance.com
> >
> >
> >
> > ________________________________
> >
> > From: peter@xxxxxxxxxxx [mailto:peter@xxxxxxxxxxx] On Behalf
> > Of Stephen Price
> > Sent: Monday, 30 January 2006 1:50 PM
> > To: dotnet@xxxxxxxxxxx
> > Subject: [aus-dotnet] DllImport
> >
> >
> >
> > I'm looking at some code to do with impersonation and a
> > nagging question popped up (its done it before so here i am
> > asking why).
> >
> >
> >
> > Why do you use DllImport? I understand what it does... ie
> > allows you to use methods in a dll, but what i don't quite
> > get is why is this not part of some .net namespace? Is this
> > how you access unmanaged code? (Is that the right name for
> > it? code outside of .net is not managed by the framework
> > right?) I would have thought the framework would have had
> > somekind of wrapper for OS level stuff. I mean it has it for
> > accessing files and memory streams etc, why not AD?
> >
> >
> >
> > Seeking illumination. :)
> >
> >
> >
> > Cheers,
> >
> >
> >
> > Stephen
> >
> >
> >
> >
> >
> > http://support.microsoft.com/default.aspx?scid=KB;en-us;q306158
> >
> >
> >
> > [DllImport("advapi32.dll")]
> > public static extern int LogonUserA(String lpszUserName,
> > String lpszDomain,
> > String lpszPassword,
> > int dwLogonType,
> > int dwLogonProvider,
> > ref IntPtr phToken);
> > [DllImport("advapi32.dll", CharSet=CharSet.Auto, SetLastError=true)]
> > public static extern int DuplicateToken(IntPtr hToken,
> > int impersonationLevel,
> > ref IntPtr hNewToken);
> >
> >
>
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--
.net noobie
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