private void bInit_Click()
        {
            string ReaderList = "" + Convert.ToChar(0);
            int    indx;
            int    pcchReaders = 0;
            string rName       = "";

            //Establish Context
            retCode = ModWinsCard.SCardEstablishContext(ModWinsCard.SCARD_SCOPE_USER, 0, 0, ref hContext);
            if (retCode != ModWinsCard.SCARD_S_SUCCESS)
            {
                displayOut(1, retCode, "");
                return;
            }

            // 2. List PC/SC card readers installed in the system
            retCode = ModWinsCard.SCardListReaders(hContext, null, null, ref pcchReaders);
            if (retCode != ModWinsCard.SCARD_S_SUCCESS)
            {
                displayOut(1, retCode, "");
                return;
            }

            byte[] ReadersList = new byte[pcchReaders];

            // Fill reader list
            retCode = ModWinsCard.SCardListReaders(hContext, null, ReadersList, ref pcchReaders);

            if (retCode != ModWinsCard.SCARD_S_SUCCESS)
            {
                mMsg.AppendText("SCardListReaders Error: " + ModWinsCard.GetScardErrMsg(retCode));
                return;
            }
            else
            {
                displayOut(0, 0, " ");
            }

            rName = "";
            indx  = 0;

            //Convert reader buffer to string
            while (ReadersList[indx] != 0)
            {
                while (ReadersList[indx] != 0)
                {
                    rName = rName + (char)ReadersList[indx];
                    indx  = indx + 1;
                }
                //Add reader name to list
                cbReader.Items.Add(rName);
                rName = "";
                indx  = indx + 1;
            }

            if (cbReader.Items.Count > 0)
            {
                cbReader.SelectedIndex = 0;
            }
        }
Example #2
0
        private void btnInit_Click(object sender, EventArgs e)
        {
            int pcchReaders = 0;

            retCode = ModWinsCard.SCardEstablishContext(ModWinsCard.SCARD_SCOPE_USER, 0, 0, ref hContext);
            if (retCode != ModWinsCard.SCARD_S_SUCCESS)
            {
                WriteLog(1, retCode, "");

                return;
            }

            retCode = ModWinsCard.SCardListReaders(this.hContext, null, null, ref pcchReaders);
            if (retCode != ModWinsCard.SCARD_S_SUCCESS)
            {
                WriteLog(1, retCode, "");

                return;
            }

            byte[] ReadersList = new byte[pcchReaders];

            //Fill reader list
            retCode = ModWinsCard.SCardListReaders(this.hContext, null, ReadersList, ref pcchReaders);
            if (retCode != ModWinsCard.SCARD_S_SUCCESS)
            {
                txtMessage.AppendText("SCardListReaders Error: " + ModWinsCard.GetScardErrMsg(retCode));

                return;
            }
            else
            {
                WriteLog(0, 0, " ");
            }

            //Convert reader buffer to string
            int    idx   = 0;
            string rName = "";

            while (ReadersList[idx] != 0)
            {
                while (ReadersList[idx] != 0)
                {
                    rName = rName + (char)ReadersList[idx];
                    idx   = idx + 1;
                }
                //Add reader name to list
                ddlReaderList.Items.Add(rName);
                rName = "";
                idx   = idx + 1;
            }

            if (ddlReaderList.Items.Count > 0)
            {
                ddlReaderList.SelectedIndex = 0;
            }
        }
        private static void InitialiseSmartCardReader()
        {
            Array.Clear(SendBuff, 0, 262);
            Array.Clear(RecvBuff, 0, 262);

            //Establishes the context
            retCode = ModWinsCard.SCardEstablishContext(ModWinsCard.SCARD_SCOPE_USER, 0, 0, ref hContext);

            if (retCode != ModWinsCard.SCARD_S_SUCCESS)
            {
                throw new Exception(retCode.ToString());
            }

            //Verify how many bytes does the reader name has
            retCode = ModWinsCard.SCardListReaders(hContext, null, null, ref Readercount);

            if (retCode != ModWinsCard.SCARD_S_SUCCESS)
            {
                throw new Exception(retCode.ToString());
            }

            //Creates the byte array to receive the name
            ReaderListBuff = new byte[Readercount];
            //Gets the readers name
            retCode = ModWinsCard.SCardListReaders(hContext, ReaderGroupBuff, ReaderListBuff, ref Readercount);

            if (retCode != ModWinsCard.SCARD_S_SUCCESS)
            {
                throw new Exception(retCode.ToString());
            }

            //Decodify the readers name
            sCard = System.Text.Encoding.ASCII.GetString(ReaderListBuff);

            //Connects to the reader
            retCode = ModWinsCard.SCardConnect(hContext, sCard, ModWinsCard.SCARD_SHARE_SHARED, ModWinsCard.SCARD_PROTOCOL_T0, ref hCard, ref Protocol);

            if (retCode != ModWinsCard.SCARD_S_SUCCESS)
            {
                throw new Exception(retCode.ToString());
            }
        }
Example #4
0
        private void btnReaderPort_Click(object sender, System.EventArgs e)
        {
            byte[] returnData  = null;  // Will hold the reader names after the call to SCardListReaders
            int    readerCount = 0;     // Total length of the reader names
            string readerNames = "";    // Will hold the reader names after converting from byte array to a single string.

            string[] readerList = null; // String array of the Reader Names
            int      idx        = 0;

            // Established using ScardEstablishedContext()
            retcode = ModWinsCard.SCardEstablishContext(ModWinsCard.SCARD_SCOPE_USER, 0, 0, ref hContext);
            if (retcode != ModWinsCard.SCARD_S_SUCCESS)
            {
                displayOut(1, retcode, "");
                return;
            }

            // List PC/SC card readers installed in the system

            // Call SCardListReaders to get the total length of the reader names
            retcode = ModWinsCard.SCardListReaders(this.hContext, null, null, ref readerCount);
            if (retcode != ModWinsCard.SCARD_S_SUCCESS)
            {
                displayOut(1, retcode, "");
                return;
            }
            else
            {
                returnData = new byte[readerCount];

                // Call SCardListReaders this time passing the array to hold the return data.
                retcode = ModWinsCard.SCardListReaders(this.hContext, null, returnData, ref readerCount);
                if (retcode != ModWinsCard.SCARD_S_SUCCESS)
                {
                    displayOut(1, retcode, "");
                    return;
                }
                else
                {
                    displayOut(0, 0, "SCardListReaders...OK");

                    // Convert the return data to a string
                    readerNames = System.Text.ASCIIEncoding.ASCII.GetString(returnData);

                    // Parse the string and split the reader names. Delimited by \0.
                    readerList = readerNames.Split('\0');

                    // Clear the combo list of all items.
                    cbReader.Items.Clear();

                    // For each string in the array, add them to the combo list
                    for (idx = 0; idx < readerList.Length; idx++)
                    {
                        cbReader.Items.Add(readerList[idx]);
                    }

                    cbReader.SelectedIndex = 0;
                }
            }

            btnConnect.Enabled = true;
            btnReset.Enabled   = true;
        }