> That sounds great, but I can't get it to work. I changed the Activator
call
> to be:
> Object o = Activator.CreateInstance
> ( "Archiver, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null",
> "MSR.LST.ArchiveService.Archiver",
> new Object[]{new UrlAttribute("tcp://localhost:8082")} );
>
> I got the assembly name programmatically, so it should be correct (is
there
> another way to get that?). The exception thrown was:
> FileNotFoundException: Message "File or assembly name Archiver, or one of
> its dependencies, was not found." The call stack indicated was (with some
> chopped off the bottom):
>
>

> assemblyRef = {System.Reflection.AssemblyName}, bool stringized = true,
> System.Security.Policy.Evidence assemblySecurity = <undefined value>,
> System.Threading.StackCrawlMark stackMark = LookForMyCaller) Line 1136 +
0x19
> bytes C#
> mscorlib.dll!System.Reflection.Assembly.InternalLoad(string
assemblyString
> = "Archiver, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null",
> System.Security.Policy.Evidence assemblySecurity = <undefined value>,
> System.Threading.StackCrawlMark stackMark = LookForMyCaller) Line 1101 +
0x13
> bytes C#
> mscorlib.dll!System.Activator.CreateInstance(string assemblyName =
> "Archiver, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null", string
> typeName = "MSR.LST.ArchiveService.Archiver", bool ignoreCase = false,
> System.Reflection.BindingFlags bindingAttr = 532, System.Reflection.Binder
> binder = <undefined value>, System.Object[] args = <undefined value>,
> System.Globalization.CultureInfo culture = <undefined value>,
System.Object[]
> activationAttributes = {Length=1}, System.Security.Policy.Evidence
> securityInfo = <undefined value>, System.Threading.StackCrawlMark
stackMark =
> LookForMyCaller) Line 250 + 0xd bytes C#
> mscorlib.dll!System.Activator.CreateInstance(string assemblyName =
> "Archiver, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null", string
> typeName = "MSR.LST.ArchiveService.Archiver", System.Object[]
> activationAttributes = {Length=1}) Line 158 + 0x20 bytes C#
> > ArchiverDotDispose.exe!ArchiverDotDispose.Form1.SetupArchiver() Line 446
+ 0x4c bytes C#
>
> Any suggestions?
>
> Thanks,
> -pb
>
>
> "Robert Jordan" wrote:
> > Ken Kolda wrote:
> >
> > > I believe you have to supply the fully assembly name (with version,
culture,
> > > etc.) when calling Activator.CreateInstance().
> >
> > That's right.
> >
> > Activator.CreateInstanceFrom() expects *file* names while
> > Activator.CreateInstance() expects *assembly* names, which
> > are different animals.
> >
> > bye
> > Rob
> >
> > >
> > > Ken
> > >
> > >
> > > "Patrick Bristow" <PatrickBristow@discussions.microsoft.com> wrote in
> > > message news:BA5F3D14-1A0E-4287-AAB5-CFFDE1F7E9D9@microsoft.com...
> > >
> > >>I had an application that used basic TCP remoting working great. But
when
> > >
> > > I
> > >
> > >>tried to use a wrapper interface for my remote object &
> > >>Activator.CreateInstance, I couldn't seem to get things working again.
> > >>Here's the code with excess removed:
> > >>
> > >>Server-side:
> > >>
> > >>IChannel channel = new TcpServerChannel( "Archiver",
> > >>Constants.TCPListeningPort);
> >
>>System.Runtime.Remoting.Channels.ChannelServices.RegisterChannel(channel);
> > >>RemotingConfiguration.RegisterActivatedServiceType(typeof(Archiver));
> > >>
> > >>
> > >>Client-side:
> > >>
> > >>IArchiver iarch;
> > >>ObjectHandle oh = Activator.CreateInstance
> > >> ( "Archiver", "MSR.LST.ArchiveService.Archiver",
> > >> new Object[]{new UrlAttribute("tcp://localhost:8082")} );
> > >>iarch = oh.Unwrap();
> > >>
> > >>Note that on the client-side I'm using an interface wrapper for
Archiver,
> > >>thus preventing the implementation from being on the client (standard
> > >>technique).
> > >>
> > >>What happens is that I get an exception on Activator.CreateInstance
saying
> > >>assembly "Archiver" cannot be found. I've also tried a host of other
> > >>Activator.CreateInstance overrides with varying params, to no avail.
> > >>
> > >>Help would be greatly appreciated.
> > >>Thanks,
> > >>-pb
> > >
> > >
> > >
> >

"Ken Kolda" wrote:

> Now that I look at the error I realize I gave you irrelevant advice. If you
> want to use CAOs without the implementation on the client, the only way I
> know of to do that is using the Factory model (i.e. have an SAO which
> returns CAO instances from its methods). The problem with
> Activator.CreateInstance() is that it the overload you're using:
>
> Activator.CreateInstance(assemblyName, typeName, attributes)
>
> is equivalent to calling this sequence of code:
>
> Assembly a = Assembly.Load(assemblyName);
> Type t = a.GetType(typeName);
> Activator.CreateInstance(t, attributes);
>
> This is clearly not what you wanted because you don't want the client to
> load the type.
>
> Ken
>
>
> "Patrick Bristow" <PatrickBristow@discussions.microsoft.com> wrote in
> message news:1AD13E7A-7121-4302-A9D1-4F2724DDC134@microsoft.com...
> > That sounds great, but I can't get it to work. I changed the Activator
> call
> > to be:
> > Object o = Activator.CreateInstance
> > ( "Archiver, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null",
> > "MSR.LST.ArchiveService.Archiver",
> > new Object[]{new UrlAttribute("tcp://localhost:8082")} );
> >
> > I got the assembly name programmatically, so it should be correct (is
> there
> > another way to get that?). The exception thrown was:
> > FileNotFoundException: Message "File or assembly name Archiver, or one of
> > its dependencies, was not found." The call stack indicated was (with some
> > chopped off the bottom):
> >
> >
> mscorlib.dll!System.Reflection.Assembly.InternalLoad(System.Reflection.Assem
> blyName
> > assemblyRef = {System.Reflection.AssemblyName}, bool stringized = true,
> > System.Security.Policy.Evidence assemblySecurity = <undefined value>,
> > System.Threading.StackCrawlMark stackMark = LookForMyCaller) Line 1136 +
> 0x19
> > bytes C#
> > mscorlib.dll!System.Reflection.Assembly.InternalLoad(string
> assemblyString
> > = "Archiver, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null",
> > System.Security.Policy.Evidence assemblySecurity = <undefined value>,
> > System.Threading.StackCrawlMark stackMark = LookForMyCaller) Line 1101 +
> 0x13
> > bytes C#
> > mscorlib.dll!System.Activator.CreateInstance(string assemblyName =
> > "Archiver, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null", string
> > typeName = "MSR.LST.ArchiveService.Archiver", bool ignoreCase = false,
> > System.Reflection.BindingFlags bindingAttr = 532, System.Reflection.Binder
> > binder = <undefined value>, System.Object[] args = <undefined value>,
> > System.Globalization.CultureInfo culture = <undefined value>,
> System.Object[]
> > activationAttributes = {Length=1}, System.Security.Policy.Evidence
> > securityInfo = <undefined value>, System.Threading.StackCrawlMark
> stackMark =
> > LookForMyCaller) Line 250 + 0xd bytes C#
> > mscorlib.dll!System.Activator.CreateInstance(string assemblyName =
> > "Archiver, Version=3.0.0.0, Culture=neutral, PublicKeyToken=null", string
> > typeName = "MSR.LST.ArchiveService.Archiver", System.Object[]
> > activationAttributes = {Length=1}) Line 158 + 0x20 bytes C#
> > > ArchiverDotDispose.exe!ArchiverDotDispose.Form1.SetupArchiver() Line 446
> + 0x4c bytes C#
> >
> > Any suggestions?
> >
> > Thanks,
> > -pb
> >
> >
> > "Robert Jordan" wrote:
> > > Ken Kolda wrote:
> > >
> > > > I believe you have to supply the fully assembly name (with version,
> culture,
> > > > etc.) when calling Activator.CreateInstance().
> > >
> > > That's right.
> > >
> > > Activator.CreateInstanceFrom() expects *file* names while
> > > Activator.CreateInstance() expects *assembly* names, which
> > > are different animals.
> > >
> > > bye
> > > Rob
> > >
> > > >
> > > > Ken
> > > >
> > > >
> > > > "Patrick Bristow" <PatrickBristow@discussions.microsoft.com> wrote in
> > > > message news:BA5F3D14-1A0E-4287-AAB5-CFFDE1F7E9D9@microsoft.com...
> > > >
> > > >>I had an application that used basic TCP remoting working great. But
> when
> > > >
> > > > I
> > > >
> > > >>tried to use a wrapper interface for my remote object &
> > > >>Activator.CreateInstance, I couldn't seem to get things working again.
> > > >>Here's the code with excess removed:
> > > >>
> > > >>Server-side:
> > > >>
> > > >>IChannel channel = new TcpServerChannel( "Archiver",
> > > >>Constants.TCPListeningPort);
> > >
> >>System.Runtime.Remoting.Channels.ChannelServices.RegisterChannel(channel);
> > > >>RemotingConfiguration.RegisterActivatedServiceType(typeof(Archiver));
> > > >>
> > > >>
> > > >>Client-side:
> > > >>
> > > >>IArchiver iarch;
> > > >>ObjectHandle oh = Activator.CreateInstance
> > > >> ( "Archiver", "MSR.LST.ArchiveService.Archiver",
> > > >> new Object[]{new UrlAttribute("tcp://localhost:8082")} );
> > > >>iarch = oh.Unwrap();
> > > >>
> > > >>Note that on the client-side I'm using an interface wrapper for
> Archiver,
> > > >>thus preventing the implementation from being on the client (standard
> > > >>technique).
> > > >>
> > > >>What happens is that I get an exception on Activator.CreateInstance
> saying
> > > >>assembly "Archiver" cannot be found. I've also tried a host of other
> > > >>Activator.CreateInstance overrides with varying params, to no avail.
> > > >>
> > > >>Help would be greatly appreciated.
> > > >>Thanks,
> > > >>-pb
> > > >
> > > >
> > > >
> > >
>
>