private void userButton1_Click(object sender, EventArgs e)
{
// 连接PLC
if (client.ConnectServer( ).IsSuccess)
{
userButton1.Enabled = false;
userButton2.Enabled = true;
}
else
{
MessageBox.Show("连接失败");
}
}
private void button1_Click(object sender, EventArgs e)
{
// 连接
if (!System.Net.IPAddress.TryParse(textBox1.Text, out System.Net.IPAddress address))
{
MessageBox.Show("Ip地址输入不正确！");
return;
}
if (!int.TryParse(textBox2.Text, out int port))
{
MessageBox.Show("端口输入不正确！");
return;
}
if (!byte.TryParse(textBox15.Text, out byte station))
{
MessageBox.Show("站号输入不正确！");
return;
}
busTcpClient?.ConnectClose( );
busTcpClient = new ModBusTcpClient(textBox1.Text, port, station);
try
{
OperateResult connect = busTcpClient.ConnectServer( );
if (connect.IsSuccess)
{
MessageBox.Show("连接成功！");
button2.Enabled = true;
button1.Enabled = false;
panel2.Enabled = true;
}
else
{
MessageBox.Show("连接失败！");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}