private void button2_Click(object sender, EventArgs e)
{
if (serial == null)
{
int databit = int.Parse(textBoxDatabit.Text);
serial = new MySerialPort(this.comboBoxComs.SelectedItem.ToString(), (int)comboBoxBaud.SelectedItem,
(Parity)comboBoxParity.SelectedItem, databit, (StopBits)comboBoxStopBits.SelectedItem);
serial.SerialDataReceivedCompleteEventHandler += serial_SerialDataReceivedCompleteEventHandler;
serial.DtrEnable = true;
serial.RtsEnable = true;
list.Add(serial);
}
if (serial.IsOpen)
{
serial.Close();
button2.Text = "连接";
}
else
{
serial.Open();
button2.Text = "关闭";
}
comboBoxComs_SelectedIndexChanged(null, null);
}
private void MySerialPort_PinChanged(object sender, SerialPinChangedEventArgs e)
{
switch (e.EventType)
{
case SerialPinChange.Break:
break;
case SerialPinChange.CDChanged:
case SerialPinChange.CtsChanged:
case SerialPinChange.DsrChanged:
State = (this.CDHolding && this.CtsHolding) ? SerialConnectionState.Opened : SerialConnectionState.NoTXD;
break;
case SerialPinChange.Ring:
break;
}
MySerialPort a = this;
}
void serial_SerialDataReceivedCompleteEventHandler(object arg1, SerialDataReceivedCompleteEventArgs arg2)
{
StringBuilder str = new StringBuilder();
MySerialPort prot = (MySerialPort)arg1;
if (radioButton1.Checked)
{
arg2.Data.Any <byte>(by => { str.Append(by.ToString("X2") + " "); return(false); });
}
else if (radioButton2.Checked)
{
arg2.Data.Any <byte>(by => { str.Append(by.ToString() + " "); return(false); });
}
else
{
str = new StringBuilder(encodingInfo.GetEncoding().GetString(arg2.Data));
}
this.Invoke(new Action(() => this.textBox1.Text = prot.PortName + "接收到数据--------->\r\n" + str.ToString() + "\r\n"));
}
private void comboBoxComs_SelectedIndexChanged(object sender, EventArgs e)
{
serial = null;
if (comboBoxComs.SelectedItem == null)
{
return;
}
string comname = comboBoxComs.SelectedItem.ToString();
serial = list.FirstOrDefault(o => o.PortName == comname);
if (serial == null || !serial.IsOpen)
{
label6.ForeColor = Color.Red;
this.button2.Text = "连接";
}
else
{
this.button2.Text = "关闭";
label6.ForeColor = Color.Green;
}
}