private void but_open_Click(object sender, EventArgs e)
{
try
{
client?.Close();
if (chb_rtudata.Checked)
{
client = new ModBusTcpRtuClient(txt_ip.Text?.Trim(), int.Parse(txt_port.Text?.Trim()));
}
else
{
client = new ModBusTcpClient(txt_ip.Text?.Trim(), int.Parse(txt_port.Text?.Trim()));
}
var result = client.Open();
if (result.IsSucceed)
{
but_read.Enabled = true;
but_write.Enabled = true;
but_open.Enabled = false;
but_close.Enabled = true;
but_sendData.Enabled = true;
AppendText($"连接成功");
}
else
{
MessageBox.Show($"连接失败：{result.Err}");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
