private void button3_Click(object sender, EventArgs e)
{
if (listBox1.SelectedIndex > -1)
{
var selected_prn = listBox1.SelectedItem.ToString();
var selected_bin = Path.ChangeExtension(selected_prn, "bin");
listBox2.Items.Add("printing " + selected_bin);
var text_to_print = File.ReadAllText(trabajo_folder + "\\" + selected_bin);
RawPrinterHelper.SendStringToPrinter(printerName.Text, text_to_print);
print_count++;
label7.Text = print_count.ToString();
}
}
private void timer1_Tick(object sender, EventArgs e)
{ //Connect to Server
if (modbusClient.Connected && modbusClient.Available(1))
{
try
{
int[] readHoldingRegisters = modbusClient.ReadHoldingRegisters(0, 10); //Read 10 Holding Registers from Server, starting with Address 1
var new_text = String.Join(" - ", readHoldingRegisters);
if (old_registers != new_text)
{
old_registers = new_text;
var to_print = readHoldingRegisters[0];
if (to_print == 1)
{
var number = readHoldingRegisters[1].ToString();
listBox1.SelectedIndex = -1;
for (int i = 0; i < listBox1.Items.Count; i++)
{
if (listBox1.Items[i].ToString().StartsWith(number))
{
listBox1.SelectedIndex = i;
var selected_prn = listBox1.Items[i].ToString();
var selected_bin = Path.ChangeExtension(selected_prn, "bin");
listBox2.Items.Add("printing " + selected_bin);
var text_to_print = File.ReadAllText(trabajo_folder + "\\" + selected_bin);
RawPrinterHelper.SendStringToPrinter(printerName.Text, text_to_print);
print_count++;
label7.Text = print_count.ToString();
}
}
}
listBox2.Items.Add(new_text);
}
}
catch (Exception ex)
{
plcStatus.Text = ex.Message;
modbusClient.Disconnect();
}
}
else
{
modbusClient.Disconnect();
connect_to_plc();
}
}