private void button1_Click(object sender, EventArgs e)
{
if (button1.Text == "关闭")
{
try
{
HandleRst rst = comm.OnStop();
comm.Dispose();
comm = null;
}
catch (Exception)
{
throw;
}
button1.Text = "打开";
}
else
{
string portName = cbxPortName.SelectedItem.ToString();
if (string.IsNullOrEmpty(portName))
{
MessageBox.Show("请选择一个串口！！！");
return;
}
int BaudRate;
if (!int.TryParse(cbxBaudList.Text, out BaudRate))
{
MessageBox.Show("请选择一个波特率！！！");
return;
}
comm = new SerialImpl(portName, BaudRate);
this.DialogResult = DialogResult.OK;
}
}
public FormConn_Serialport(SerialImpl conn)
{
InitializeComponent();
InitComList();
comm = conn;
this.cbxPortName.Text = comm.comm.PortName;
this.cbxBaudList.Text = comm.comm.BaudRate.ToString();
this.button1.Text = "关闭";
}