private void timer1_Tick(object sender, EventArgs e)
{
// perform if the card is inserted/not inserted on the reader
// Don't connection before to connect card reader.
// If the connection card reader to make a card, and after make smart card device manager to suspend work, and can't get correct card slots.
SCARD_READERSTATE ReaderState = new SCARD_READERSTATE();
ReaderState.RdrName = ReaderListComboBox.SelectedItem.ToString();
mMsg.Clear();
int retCode = ModWinsCard.SCardGetStatusChange(this.hContext, -1, ref ReaderState, 1);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
DisplayOut(1, retCode, "");
}
else
{
if ((ReaderState.RdrEventState & ModWinsCard.SCARD_STATE_PRESENT) != 0)
{
DisplayOut(0, 0, "Card Inserted");
}
else
{
DisplayOut(0, 0, "Card Removed");
}
}
}
void DisplayOut(int mType, long msgCode, string PrintText)
{
switch (mType)
{
case 0: // Notifications only
mMsg.SelectionColor = Color.Green;
break;
case 1: // Error Messages
mMsg.SelectionColor = Color.Red;
PrintText = ModWinsCard.GetScardErrMsg((int)msgCode);
break;
case 2: // Input data
mMsg.SelectionColor = Color.Black;
PrintText = "< " + PrintText;
break;
case 3: // Output data
mMsg.SelectionColor = Color.Black;
PrintText = "> " + PrintText;
break;
case 4: // Critical Errors
mMsg.SelectionColor = Color.Red;
break;
}
mMsg.SelectedText = PrintText + "\n";
mMsg.SelectionStart = mMsg.Text.Length;
mMsg.SelectionColor = Color.Black;
}
private void ReaderConnectButton_Click(object sender, EventArgs e)
{
CardReaderDesc = ReaderListComboBox.SelectedItem.ToString();
// Don't use SCARD_SHARE_DIRECT , After Ppolling the transmit return 0x00000016 Unknown Error
int retCode = ModWinsCard.SCardConnect(this.hContext, CardReaderDesc, ModWinsCard.SCARD_SHARE_SHARED,
ModWinsCard.SCARD_PROTOCOL_T0 | ModWinsCard.SCARD_PROTOCOL_T1, ref hCard, ref Protocol);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
DisplayOut(1, retCode, "");
}
else
{
DisplayOut(0, 0, "SCardConnect...OK");
ReaderConnectButton.Enabled = false;
StartPpollingButton.Enabled = false;
StopPpollingButton.Enabled = false;
ReaderTransmitButton.Enabled = true;
ReaderDisconnectButton.Enabled = true;
ReaderReleaseContextbutton.Enabled = true;
ReaderStatusButton.Enabled = true;
}
}
private void button1_Click(object sender, EventArgs e)
{
short index;
string Temp;
ATRLen = 33;
CardReaderDesc = ReaderListComboBox.SelectedItem.ToString();
//perform the Card Status
int retcode = ModWinsCard.SCardStatus(this.hCard, CardReaderDesc, ref ReaderLen, ref dwState, ref Protocol, ref ATR[0], ref ATRLen);
if (retcode != ModWinsCard.SCARD_S_SUCCESS)
{
DisplayOut(1, retcode, "");
}
else
{
DisplayOut(0, 0, "SCardStatus OK...");
// select for the protocol
switch (Protocol)
{
case 0: PRT = ModWinsCard.SCARD_PROTOCOL_UNDEFINED;
DisplayOut(0, 0, "Active Protocol Undefined");
break;
case 1: PRT = ModWinsCard.SCARD_PROTOCOL_T0;
DisplayOut(0, 0, "Active Protocol T0");
break;
case 2: PRT = ModWinsCard.SCARD_PROTOCOL_T1;
DisplayOut(0, 0, "Active Protocol T1");
break;
}
Temp = "ATR:";
for (index = 0; index < ATRLen; index++)
{
Temp = Temp + " " + string.Format("{0:X2}", ATR[index]);
}
// Display ATR value
DisplayOut(0, 0, Temp);
}
}
private void ReaderTransmitButton_Click(object sender, EventArgs e)
{
if (m_Apdu.Text == "")
{
DisplayOut(4, 0, "No data input");
return;
}
m_Apdu.Text = (m_Apdu.Text.Replace(" ", ""));
if (m_Apdu.Text.Length < 10)
{
DisplayOut(4, 0, "Insufficient data input");
return;
}
if ((m_Apdu.Text.Length % 2) != 0)
{
DisplayOut(4, 0, "Invalid data input, uneven number of characters");
m_Apdu.Focus();
return;
}
byte[] SendBuff = new byte[1024];
byte[] RecvBuff = new byte[1024];
int SendLen = 1024;
int RecvLen = 1024;
SendLen = m_Apdu.Text.Length / 2;
byte[] tempBuff = ToHexByte(m_Apdu.Text);
Array.Copy(tempBuff, SendBuff, SendLen);
IORequest.dwProtocol = Protocol;
IORequest.cbPciLength = 8;
int retCode = ModWinsCard.SCardTransmit(hCard, ref IORequest, ref SendBuff[0], SendLen, ref IORequest, ref RecvBuff[0], ref RecvLen);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
DisplayOut(1, retCode, "");
}
else
{
string tempStr = ToHexString(RecvBuff, RecvLen);
DisplayOut(0, 0, tempStr);
}
}
private void ReaderDisconnectButton_Click(object sender, EventArgs e)
{
int retCode = ModWinsCard.SCardDisconnect(hCard, ModWinsCard.SCARD_UNPOWER_CARD);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
DisplayOut(1, retCode, "");
}
else
{
DisplayOut(0, 0, "SCardDisconnect...OK");
ReaderConnectButton.Enabled = true;
StartPpollingButton.Enabled = true;
StopPpollingButton.Enabled = true;
ReaderStatusButton.Enabled = false;
ReaderTransmitButton.Enabled = false;
ReaderDisconnectButton.Enabled = false;
}
}
private void ReaderReleaseContextbutton_Click(object sender, EventArgs e)
{
CardReaderDesc = "";
int retCode = ModWinsCard.SCardReleaseContext(hContext);
if (retCode != ModWinsCard.SCARD_S_SUCCESS)
{
DisplayOut(1, retCode, "");
}
else
{
DisplayOut(0, 0, "SCardReleaseContext...OK");
ReaderConnectButton.Enabled = false;
StartPpollingButton.Enabled = false;
StopPpollingButton.Enabled = false;
ReaderTransmitButton.Enabled = false;
ReaderDisconnectButton.Enabled = false;
ReaderReleaseContextbutton.Enabled = false;
ReaderStatusButton.Enabled = false;
}
}
private bool ListCardReaderDesc()
{
int RetListCardReader;
int PccHReaders = 0;
//Establish Context
RetListCardReader = ModWinsCard.SCardEstablishContext(ModWinsCard.SCARD_SCOPE_USER, 0, 0, ref hContext);
if (RetListCardReader != ModWinsCard.SCARD_S_SUCCESS)
{
return(false);
}
// 2. List PC/SC card readers installed in the system
RetListCardReader = ModWinsCard.SCardListReaders(hContext, null, null, ref PccHReaders);
if (RetListCardReader != ModWinsCard.SCARD_S_SUCCESS)
{
return(false);
}
string ReaderList = "" + Convert.ToChar(0);
int Index;
string ReaderName = "";
ReaderName = "";
Index = 0;
PccHReaders = 255;
byte[] ReadersList = new byte[PccHReaders];
// Fill reader list
RetListCardReader = ModWinsCard.SCardListReaders(hContext, null, ReadersList, ref PccHReaders);
if (RetListCardReader != ModWinsCard.SCARD_S_SUCCESS)
{
return(false);
}
if (CardReaderDesc == "")
{
ReaderListComboBox.Items.Clear();
}
//Convert reader buffer to string
while (ReadersList[Index] != 0)
{
while (ReadersList[Index] != 0)
{
ReaderName = ReaderName + (char)ReadersList[Index];
Index = Index + 1;
}
if (CardReaderDesc == "")
{
//Add reader name to list
// if (string.Compare(ReaderName, bR301_ReaderName) == 0)
{
ReaderListComboBox.Items.Add(ReaderName);
}
}
else
{
if (string.Compare(ReaderName, CardReaderDesc) == 0)
{
return(true);
}
else
{
ReaderListComboBox.Items.Clear();
ReaderListComboBox.Items.Add(ReaderName);
return(true);
}
}
ReaderName = "";
Index = Index + 1;
}
return(true);
}
