得到 ASP.NET 当前的 Trust Level，摘自：dmitryr's blog
- AspNetHostingPermissionLevel GetCurrentTrustLevel() {
- foreach (AspNetHostingPermissionLevel trustLevel in
- new AspNetHostingPermissionLevel [] {
- AspNetHostingPermissionLevel.Unrestricted,
- AspNetHostingPermissionLevel.High,
- AspNetHostingPermissionLevel.Medium,
- AspNetHostingPermissionLevel.Low,
- AspNetHostingPermissionLevel.Minimal
- } ) {
- try {
- new AspNetHostingPermission(trustLevel).Demand();
- }
- catch (System.Security.SecurityException ) {
- continue;
- }
- return trustLevel;
- }
- return AspNetHostingPermissionLevel.None;
- }