public void KhoiTao(string _ComPortName, int _BaudRate, bool CongComThatVatLy)
{
try
{
SerialPort comPort = this.ComPort;
comPort.BaudRate = _BaudRate;
comPort.DataBits = 8;
comPort.StopBits = StopBits.One;
comPort.Parity = Parity.None;
comPort.ReceivedBytesThreshold = 1;
this._PortName = _ComPortName;
comPort.PortName = _ComPortName;
comPort.Open();
this.CongComThat = CongComThatVatLy;
}
catch (Exception expr_49)
{
ProjectData.SetProjectError(expr_49);
UcDocMaVach.ComPortErrorEventHandler comPortErrorEvent = this.ComPortErrorEvent;
if (comPortErrorEvent != null)
{
comPortErrorEvent("Mở ComPort đọc mã vạch lỗi ");
}
ProjectData.ClearProjectError();
}
}
public void MoLai()
{
try
{
this.ComPort.Open();
}
catch (Exception expr_0D)
{
ProjectData.SetProjectError(expr_0D);
UcDocMaVach.ComPortErrorEventHandler comPortErrorEvent = this.ComPortErrorEvent;
if (comPortErrorEvent != null)
{
comPortErrorEvent("Mở ComPort đọc mã vạch lỗi ");
}
ProjectData.ClearProjectError();
}
}
private void ComPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
checked
{
try
{
if (!this.ComPort.IsOpen)
{
this.ComPort.Open();
}
if (this.CongComThat)
{
Thread.Sleep(60);
string text = this.ComPort.ReadExisting();
if (text.Length >= 16)
{
text = text.Substring(0, 16);
UcDocMaVach.DataReceiveEventHandler dataReceiveEvent = this.DataReceiveEvent;
if (dataReceiveEvent != null)
{
dataReceiveEvent(text);
}
}
else
{
if (text.Length == 12)
{
UcDocMaVach.TheCungEventHandler theCungEvent = this.TheCungEvent;
if (theCungEvent != null)
{
theCungEvent(text);
}
}
}
}
else
{
Thread.Sleep(20);
if (this.ComPort.BytesToRead >= 16)
{
this.Buffer = "";
int num = 0;
do
{
this.Buffer += Conversions.ToString(Strings.Chr(this.ComPort.ReadChar()));
num++;
}while (num <= 15);
string buffer = this.Buffer;
UcDocMaVach.DataReceiveEventHandler dataReceiveEvent = this.DataReceiveEvent;
if (dataReceiveEvent != null)
{
dataReceiveEvent(buffer);
}
}
if (this.ComPort.BytesToRead == 12)
{
this.Buffer = "";
int num2 = 0;
do
{
this.Buffer += Conversions.ToString(Strings.Chr(this.ComPort.ReadChar()));
num2++;
}while (num2 <= 11);
string buffer2 = this.Buffer;
UcDocMaVach.TheCungEventHandler theCungEvent = this.TheCungEvent;
if (theCungEvent != null)
{
theCungEvent(buffer2);
}
}
this.ComPort.ReadExisting();
}
}
catch (Exception expr_17A)
{
ProjectData.SetProjectError(expr_17A);
UcDocMaVach.ComPortErrorEventHandler comPortErrorEvent = this.ComPortErrorEvent;
if (comPortErrorEvent != null)
{
comPortErrorEvent("Nhận dữ liệu từ máy đọc mã vạch lỗi");
}
ProjectData.ClearProjectError();
}
}
}
