I've tried it with 2010.
To run this code with clr 4.0 you need to add following to app.comfig
<configuration>
<runtime>
<NetFx40_LegacySecurityPolicy enabled="true"/>
</runtime>
</configuration>
But with 4.0 it works.
Change target framework to 3.5 to reproduce the issue
On 12 окт, 17:30, Konstantin <[email protected]> wrote:
> Remove tuneDynamicProxy() call and restrict creation of signed
> assemby in some other way. Issue can be repeoduced where DP creates
> only unsigned assembly.
> The check for whether to create unsigned assembly or not is based on
> SecurityPermissionFlag.UnmanagedCode check.
>
> On 12 окт, 16:55, Krzysztof Koźmic <[email protected]> wrote:
>
>
>
> > I ran it on .NET 4 under vs2010 and the code does not work at all.
>
> > Interestingly - for completely different reasons:
>
> > Unhandled Exception: System.TypeInitializationException: The type
> > initializer for 'ConsoleApplication9.Program' threw an exception. --->
> > System.TypeInitializationException: The type initializer for
> > 'Castle.DynamicProxy.Generators.Emitters.StrongNameUtil' threw an
> > exception. ---> System.NotSupportedException: The Deny stack modifier
> > has been obsoleted by the .NET Framework. Please
> > seehttp://go.microsoft.com/fwlink/?LinkId=155571formore information.
> > at System.Security.CodeAccessSecurityEngine.Check(Object demand,
> > StackCrawlMark& stackMark, Boolean isPermSet)
> > at
> > System.Security.CodeAccessSecurityEngine.Check(CodeAccessPermission cap,
> > StackCrawlMark& stackMark)
> > at System.Security.CodeAccessPermission.Demand()
> > at Castle.DynamicProxy.Generators.Emitters.StrongNameUtil..cctor()
> > in
> > c:\TeamCity\buildAgent\work\f0c43d96621436a8\src\Castle.Core\DynamicProxy\G
> > enerators\Emitters\StrongNameUtil.cs:line
> > 40
> > --- End of inner exception stack trace ---
> > at
> > Castle.DynamicProxy.Generators.Emitters.StrongNameUtil.get_CanStrongNameAss
> > embly()
> > at ConsoleApplication9.Program.tuneDynamicProxy() in
> > c:\users\xtoff\documents\visual studio
> > 2010\Projects\ConsoleApplication9\ConsoleApplication9\Program.cs:line 58
> > at ConsoleApplication9.Program..cctor() in
> > c:\users\xtoff\documents\visual studio
> > 2010\Projects\ConsoleApplication9\ConsoleApplication9\Program.cs:line 52
> > --- End of inner exception stack trace ---
> > at ConsoleApplication9.Program.Main(String[] args)
>
> > Notice it fails even before any attempt to generate the proxy.
> > Anyway - I remember there was some bug in VS2008 debugger, so you may
> > have hit just that.
>
> > Which version of DP are you running?
>
> > On 12/10/2010 10:33 PM, Konstantin wrote:
>
> > > Following code causes exception if executed under VS2008 debugger.
>
> > > Exception:
> > > System.TypeLoadException: GenericArguments[0], 'ST2', on
> > > 'Castle.Proxies.Invocations.IService_Method2[ST1]' violates the
> > > onstraint of type parameter 'ST1'.
> > > at Castle.Proxies.IServiceProxy.Method2[ST2](ST2 t)
> > > at DPGenericsUnderDebugIssueDemo.Program.Main(String[] args) in C:
> > > \WORK\TestsAndTries\DPGenericsUnderDebugIssueDemo
> > > \DPGenericsUnderDebugIssueDemo\Program.cs: line 61
>
> > > This:
> > > "GenericArguments[0], 'ST2', on
> > > 'Castle.Proxies.Invocations.IService_Method2[ST1]'"
> > > looks very strange....
>
> > > If executed without debugger it work ok.
>
> > > public class C : ICloneable
> > > {
> > > public object Clone()
> > > {
> > > throw new NotImplementedException();
> > > }
> > > }
>
> > > public interface IService
> > > {
> > > void Method1<ST1>(ST1 t) where ST1 : class, new();
> > > void Method2<ST2>(ST2 t) where ST2 : ICloneable;
> > > }
>
> > > public class Component : IService
> > > {
> > > public void Method1<CT1>(CT1 t) where CT1 : class, new()
> > > {
> > > Console.WriteLine(string.Format("Method1 CT1:{0}", typeof
> > > (CT1)));
> > > }
>
> > > public void Method2<CT2>(CT2 t) where CT2 : ICloneable
> > > {
> > > Console.WriteLine(string.Format("Method2 CT2:{0}", typeof
> > > (CT2)));
> > > }
> > > }
>
> > > internal class Program
> > > {
> > > [SecurityPermission(SecurityAction.Deny, Unrestricted = true,
> > > Flags = SecurityPermissionFlag.UnmanagedCode)]
> > > private static void tuneDynamicProxy()
> > > {
> > > Console.WriteLine(StrongNameUtil.CanStrongNameAssembly);
> > > }
>
> > > static Program()
> > > {
> > > //Restrict signed assembly generation
> > > tuneDynamicProxy();
> > > }
>
> > > private static void Main(string[] args)
> > > {
> > > ProxyGenerator g = new ProxyGenerator();
> > > var proxy = g.CreateInterfaceProxyWithTarget<IService>(new
> > > Component(), new IInterceptor[0]);
>
> > > try
> > > {
> > > proxy.Method1(new C());
> > > proxy.Method2(new C());
> > > }
> > > catch (Exception e)
> > > {
> > > Console.WriteLine(e);
> > > }
> > > finally
> > > {
> > > Console.ReadLine();
> > > }
> > > }
> > > }
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