System.Security.SecurityException.MakeSecurityException C# (CSharp) Method

        internal static Exception MakeSecurityException(AssemblyName asmName, Evidence asmEvidence, PermissionSet granted, PermissionSet refused, RuntimeMethodHandle rmh, SecurityAction action, Object demand, IPermission permThatFailed)
        {
            // See if we need to throw a HostProtectionException instead
            HostProtectionPermission hostProtectionPerm = permThatFailed as HostProtectionPermission;
            if(hostProtectionPerm != null)
                return new HostProtectionException(GetResString("HostProtection_HostProtection"), HostProtectionPermission.protectedResources, hostProtectionPerm.Resources);

            // Produce relevant strings
            String message = "";
            MethodInfo method = null;
            try
            {
                if(granted == null && refused == null && demand == null)
                {
                    message = GetResString("Security_NoAPTCA");
                }
                else
                {
                    if(demand != null && demand is IPermission)
                        message = String.Format(CultureInfo.InvariantCulture,  GetResString("Security_Generic"), demand.GetType().AssemblyQualifiedName );
                    else if (permThatFailed != null)
                        message = String.Format(CultureInfo.InvariantCulture, GetResString("Security_Generic"), permThatFailed.GetType().AssemblyQualifiedName);
                    else
                        message = GetResString("Security_GenericNoType");
                }

                method = SecurityRuntime.GetMethodInfo(rmh);
            }
            catch(Exception e)
            {
                // Environment.GetResourceString will throw if we are ReadyForAbort (thread abort).  (We shouldn't do a BCLDebug.Assert in this case or it will lock up the thread.)
                if(e is System.Threading.ThreadAbortException)
                throw;
            }

/*            catch(System.Threading.ThreadAbortException)
            {
                // Environment.GetResourceString will throw if we are ReadyForAbort (thread abort).  (We shouldn't do a BCLDebug.Assert in this case or it will lock up the thread.)
                throw;
            }
            catch
            {
            }
*/
            // make the exception object
            return new SecurityException(message, asmName, granted, refused, method, action, demand, permThatFailed, asmEvidence);
        }

 private static void ThrowSecurityException(object assemblyOrString, PermissionSet granted, PermissionSet refused, RuntimeMethodHandleInternal rmh, SecurityAction action, object demand, IPermission permThatFailed)
 {
     if (assemblyOrString != null && !(assemblyOrString is RuntimeAssembly))
     {
         throw SecurityException.MakeSecurityException(new AssemblyName((string)assemblyOrString), (Evidence)null, granted, refused, rmh, action, demand, permThatFailed);
     }
     CodeAccessSecurityEngine.ThrowSecurityException((RuntimeAssembly)assemblyOrString, granted, refused, rmh, action, demand, permThatFailed);
 }