mes-client/MaterialPrint/Form1.cs

using LabelManager2;
using System;
using System.Drawing.Printing;
using System.Windows.Forms;

namespace MaterialPrint
{
    public partial class Form1 : Form
    {

        ApplicationClass lbl;

        Document doc;

        public Form1()
        {
            InitializeComponent();
            StartPosition = FormStartPosition.CenterScreen;
        }

        private void Print_Click(object sender, EventArgs e)
        {
            try
            {
                //打印的最后一个流水
                int LastNum = (int.Parse(Rn.Text) + int.Parse(Num.Text));
                //打印的总数
                int PrintNum = int.Parse(Num.Text);
                for (int i = int.Parse(Rn.Text); i < LastNum; i = i + 8)
                {
                    int temp = i;
                    for (int j = 0; j < ((LastNum - i) / 8 > 0 ? 8 : (LastNum - i)); j++)
                    {
                        switch (doc.Variables.FormVariables.Item(j + 1).Name)
                        {
                            case "RN1":
                                doc.Variables.FormVariables.Item(j + 1).Value = (Prefix.Text + Date.Value.ToString("yyMMdd") + lpad(4, (temp).ToString()));
                                break;
                            case "RN2":
                                doc.Variables.FormVariables.Item(j + 1).Value = (Prefix.Text + Date.Value.ToString("yyMMdd") + lpad(4, (temp + 1).ToString()));
                                break;
                            case "RN3":
                                doc.Variables.FormVariables.Item(j + 1).Value = (Prefix.Text + Date.Value.ToString("yyMMdd") + lpad(4, (temp + 2).ToString()));
                                break;
                            case "RN4":
                                doc.Variables.FormVariables.Item(j + 1).Value = (Prefix.Text + Date.Value.ToString("yyMMdd") + lpad(4, (temp + 3).ToString()));
                                break;
                            case "RN5":
                                doc.Variables.FormVariables.Item(j + 1).Value = (Prefix.Text + Date.Value.ToString("yyMMdd") + lpad(4, (temp + 4).ToString()));
                                break;
                            case "RN6":
                                doc.Variables.FormVariables.Item(j + 1).Value = (Prefix.Text + Date.Value.ToString("yyMMdd") + lpad(4, (temp + 5).ToString()));
                                break;
                            case "RN7":
                                doc.Variables.FormVariables.Item(j + 1).Value = (Prefix.Text + Date.Value.ToString("yyMMdd") + lpad(4, (temp + 6).ToString()));
                                break;
                            case "RN8":
                                doc.Variables.FormVariables.Item(j + 1).Value = (Prefix.Text + Date.Value.ToString("yyMMdd") + lpad(4, (temp + 7).ToString()));
                                break;
                            default:
                                break;
                        }
                    }
                    doc.Printer.SwitchTo(PrinterList.Text);
                    doc.PrintDocument(1);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private static string lpad(int length, string number)
        {
            while (number.Length < length)
            {
                number = "0" + number;
            }
            number = number.Substring(number.Length - length, length);
            return number;
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            try
            {
                lbl = new ApplicationClass();
                doc = lbl.Documents.Open(System.Windows.Forms.Application.StartupPath + @"\SN.lab");

                PrintDocument print = new PrintDocument();
                string sDefault = print.PrinterSettings.PrinterName;//默认打印机名

                foreach (string sPrint in PrinterSettings.InstalledPrinters)//获取所有打印机名称
                {
                    PrinterList.Items.Add(sPrint);
                    if (sPrint == sDefault)
                        PrinterList.SelectedIndex = PrinterList.Items.IndexOf(sPrint);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            System.Diagnostics.Process[] pro = System.Diagnostics.Process.GetProcessesByName("lppa");
            for (int i = 0; i < pro.Length; i++)
            {
                pro[i].Kill();
            }
        }
    }
}