Lando.LowLevel.LowLevelCardReader.EstablishContext C# (CSharp) Method

        public OperationResult EstablishContext()
        {
            lock (_locker)
            {
                if (_contextManager.IsContextExist(Thread.CurrentThread.ManagedThreadId))
                {
                    Logger.TraceEvent(TraceEventType.Verbose, 0, "Context is already established.");
                    Logger.Flush();

                    return new OperationResult(true, WinscardWrapper.SCARD_S_SUCCESS, null, null);
                }

                IntPtr resourceManagerContext;
                IntPtr notUsed1 = IntPtr.Zero;
                IntPtr notUsed2 = IntPtr.Zero;

                int returnCode = WinscardWrapper.SCardEstablishContext(WinscardWrapper.SCARD_SCOPE_USER,
                                                                        notUsed1,
                                                                        notUsed2,
                                                                        out resourceManagerContext);

                if (returnCode == WinscardWrapper.SCARD_S_SUCCESS)
                {
                    Logger.TraceEvent(TraceEventType.Verbose, 0, "Context established");
                    Logger.Flush();

                    _contextManager.AddContext(Thread.CurrentThread.ManagedThreadId, resourceManagerContext);
                }

                return ReturnCodeManager.GetErrorMessage(returnCode);
            }
        }