System.Security.PermissionSetCollection.Demand C# (CSharp) Method

		public void Demand ()
		{
			// check all collection in a single stack walk
			PermissionSet superset = new PermissionSet (PermissionState.None);
			foreach (PermissionSet ps in _list) {
				foreach (IPermission p in ps) {
					superset.AddPermission (p);
				}
			}
			superset.Demand ();
		}