2 using System.Runtime.InteropServices;
4 using System.Security.Permissions;
9 [DllImport ("libc", SetLastError=true)]
10 public static extern uint getuid ();
13 [DllImport ("kernel32.dll", SetLastError=true)]
14 public static extern uint GetTickCount ();
16 static bool RunningOnWindows ()
18 int p = (int) Environment.OSVersion.Platform;
19 bool win = ((p != 4) && (p != 128));
20 Console.WriteLine ("Running on {0}...", Environment.OSVersion);
27 uint u = (RunningOnWindows () ? GetTickCount () : getuid ());
28 Console.WriteLine ("*1* P/Invoke: {0}", u);
31 catch (SecurityException se) {
32 Console.WriteLine ("*0* Expected SecurityException\n{0}", se);
36 Console.WriteLine ("*2* Unexpected exception\n{0}", e);
41 [SecurityPermission (SecurityAction.Deny, UnmanagedCode=true)]