using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Management;
using System.Text;
using System.Windows.Forms;

namespace dccdc.Selfhelp
{
    public partial class frm_TestPrinter : Form
    {
        public frm_TestPrinter()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            //MessageBox.Show(GetPrinterStat(textBox1.Text).ToString());
            //var a = System.Printing.LocalPrintServer.GetDefaultPrintQueue();

            // textBox2.Text=a.IsTonerLow.ToString();
            // textBox2.Text += Newtonsoft.Json.JsonConvert.SerializeObject(a);
            //new  System.Drawing.Printing.PrinterSettings().
            //Printer.GetPrinterList();
            //Printer.GetPrinterStatusInt(textBox1.Text);
            //GetPrinterStat(textBox1.Text);
            //System.Printing.LocalPrintServer lps=new System.Printing.LocalPrintServer();
            // lps.
            //System.Printing.LocalPrintServer lp = new System.Printing.LocalPrintServer();
            //System.Printing.PrintServer ps=new System.Printing.PrintServer ()
            //System.Printing.PrintQueue pq=new System.Printing.PrintQueue()
            //lp.ConnectToPrintQueue() ;
            //var b = lp.GetPrintQueue(textBox1.Text);
            GetPrinterStat(textBox1.Text);
        }
        private void GetPrinterStat(string PrinterDevice)
        {
            PrinterStatus ret = 0;
            string path = @"win32_printer.DeviceId='" + PrinterDevice + "'";
            ManagementObject printer = new ManagementObject(path);
            printer.Get();
            string strRow = "";
            //ret = (PrinterStatus)Convert.ToInt32(printer.Properties["PrinterStatus"].Value);
            PropertyDataCollection.PropertyDataEnumerator pde = printer.Properties.GetEnumerator();
            while (pde.MoveNext())
            {
                strRow += pde.Current.Name + " : " +Newtonsoft.Json.JsonConvert.SerializeObject( pde.Current.Value )+ "\r\n";
                //MessageBox.Show(pde.Current.Name + " : " + pde.Current.Value);
                //显示的是 属性名 : 属性值 的形式
            }
            textBox2.Text = strRow;

        }
        enum PrinterStatus
        {
            其他状态 = 1,
            未知,
            空闲,
            正在打印,
            预热,
            停止打印,
            打印中,
            离线
        }
    }
}