判断打印机状态

最新推荐文章于 2025-05-21 13:42:09 发布

转载最新推荐文章于 2025-05-21 13:42:09 发布 · 2.3k 阅读

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Management;//在“解决方案资源管理器”中也需添加该引用

namespace PrinterStatus
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void btnGetStatus_Click(object sender, EventArgs e) //获取打印机状态
        {
            string printerName = "hp LaserJet 3015 PCL 5";
            MessageBox.Show(GetPrinterStat(printerName).ToString());
        }

        enum PrinterStatus
        {
            其他状态 = 1, //比如 暂停状态
            未知,
            空闲, //就绪状态
            正在打印,
            预热,
            停止打印,
            打印中,
            离线 //脱机 状态
        }

        private PrinterStatus GetPrinterStat(string PrinterDevice)
        {
            PrinterStatus ret = 0;
            string path = @"win32_printer.DeviceId='" + PrinterDevice + "'";
            ManagementObject printer = new ManagementObject(path);
            printer.Get();
            if ((bool)printer.Properties["WorkOffline"].Value)
            {
                return PrinterStatus.离线;
            }
            else
            {
                ret = (PrinterStatus)Convert.ToInt32(printer.Properties["PrinterStatus"].Value);
            }
            return ret;
        }
    }
}