mark PrincipalPermissionAttribute
using System;
using System.IO;
using System.Security.Permissions;
[PrincipalPermissionAttribute(SecurityAction.Demand, Role="Administrators")]
class MainClass
{
public static void Main()
{
FileStream fsOut = File.Create(@"c:\\temp\\test.txt");
StreamWriter sw = new StreamWriter(fsOut);
sw.WriteLine("str");
sw.Flush();
sw.Close();
}
}
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