Add necessary env vars, TODO property bag

Author: jkotalik

src/Servers/IIS/AspNetCoreModuleV2/InProcessRequestHandler/inprocessapplication.cpp

@@ -235,13 +235,11 @@ IN_PROCESS_APPLICATION::ExecuteApplication()
             LOG_INFOF(L"Setting current directory to %s", this->QueryApplicationPhysicalPath().c_str());
         }
 
-        // TODO this doesn't work when running in VS and with the shared framework.
-        // We could hack it so we check if the dll exists before and after setting the current directory
-        // But the best solution would be to be able to set a specific assembly name rather than full path
-        // See: https://github.com/dotnet/core-setup/issues/5556
-        auto startupHookDll = Environment::GetCurrentDirectoryValue() + std::wstring(L"\\Microsoft.AspNetCore.Server.IIS.dll");
+        // TODO add a way to disable this.
+        auto startupHookDll = std::wstring(L"Microsoft.AspNetCore.Server.IIS");
 
         SetEnvironmentVariable(L"DOTNET_STARTUP_HOOKS", startupHookDll.c_str());
+        SetEnvironmentVariable(L"COMPlus_UseEntryPointFilter", L"1");
 
         bool clrThreadExited;
         {

src/Servers/IIS/IIS/samples/NativeIISSample/Startup.cs

@@ -118,14 +118,15 @@ public void Configure(IApplicationBuilder app)
 
         public static void Main(string[] args)
         {
-            var host = new WebHostBuilder()
-                .UseKestrel()
-                .UseIIS()
-                .UseIISIntegration()
-                .UseStartup<Startup>()
-                .Build();
-
-            host.Run();
+            throw new Exception("woah");
+            //var host = new WebHostBuilder()
+            //    .UseKestrel()
+            //    .UseIIS()
+            //    .UseIISIntegration()
+            //    .UseStartup<Startup>()
+            //    .Build();
+
+            //host.Run();
         }
     }
 }

src/Servers/IIS/IIS/src/StartupHook.cs

@@ -27,9 +27,9 @@ internal class StartupHook
     public static void Initialize()
     {
         // TODO make this unhandled exception
-        AppDomain.CurrentDomain.FirstChanceException += (sender, eventArgs) =>
+        AppDomain.CurrentDomain.UnhandledException += (sender, eventArgs) =>
         {
-            var exception = eventArgs.Exception;
+            var exception = (Exception)eventArgs.ExceptionObject;
 
             // Get the content root from IIS.
             var iisConfigData = NativeMethods.HttpGetApplicationProperties();