System.Threading.NativeEventCalls.OpenEvent_internal C# (CSharp) Method

		public static extern IntPtr OpenEvent_internal (string name, EventWaitHandleRights rights, out MonoIOError error);
#endif

        public static EventWaitHandle OpenExisting(string name, EventWaitHandleRights rights)
        {
            if (name == null)
            {
                throw new ArgumentNullException("name");
            }
            if ((name.Length == 0) ||
                (name.Length > 260))
            {
                throw new ArgumentException("name", Locale.GetText("Invalid length [1-260]."));
            }

            MonoIOError error;
            IntPtr      handle = NativeEventCalls.OpenEvent_internal(name, rights, out error);

            if (handle == (IntPtr)null)
            {
                if (error == MonoIOError.ERROR_FILE_NOT_FOUND)
                {
                    throw new WaitHandleCannotBeOpenedException(Locale.GetText("Named Event handle does not exist: ") + name);
                }
                else if (error == MonoIOError.ERROR_ACCESS_DENIED)
                {
                    throw new UnauthorizedAccessException();
                }
                else
                {
                    throw new IOException(Locale.GetText("Win32 IO error: ") + error.ToString());
                }
            }

            return(new EventWaitHandle(handle));
        }