System.Security.Policy.ApplicationSecurityManager.DetermineApplicationTrust C# (CSharp) Method

        public static bool DetermineApplicationTrust (ActivationContext activationContext, TrustManagerContext context) {
            if (activationContext == null)
                throw new ArgumentNullException("activationContext");

            ApplicationTrust appTrust = null;
            AppDomainManager domainManager = AppDomain.CurrentDomain.DomainManager;
            if (domainManager != null) {
                HostSecurityManager securityManager = domainManager.HostSecurityManager;
                if ((securityManager != null) && ((securityManager.Flags & HostSecurityManagerOptions.HostDetermineApplicationTrust) == HostSecurityManagerOptions.HostDetermineApplicationTrust)) {
                    appTrust = securityManager.DetermineApplicationTrust(CmsUtils.MergeApplicationEvidence(null, activationContext.Identity, activationContext, null), null, context);
                    if (appTrust == null)
                        return false;
                    return appTrust.IsApplicationTrustedToRun;
                }
            }

            appTrust = DetermineApplicationTrustInternal(activationContext, context);
            if (appTrust == null)
                return false;
            return appTrust.IsApplicationTrustedToRun;
        }