Merge branch 'master' of http://www.scserverddns.top:13000/sc/formula_manage
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using System;
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using System.Collections.Generic;
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using System.Drawing.Printing;
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using System.Linq;
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using System.Management;
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using System.Printing;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace formula_manage.UserClass
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{
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internal class UserPrint
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{
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/// <summary>
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/// 判断是否连接打印机
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/// </summary>
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public bool CheckPrinter()
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{
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//取得默认打印机名
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PrintDocument pdoc = new PrintDocument();
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string printerName1 = pdoc.PrinterSettings.PrinterName;
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//ManagementScope scope = new ManagementScope(@"\root\cimv2");
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//scope.Connect();
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// Select Printers from WMI Object Collections
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ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_Printer");
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string printerName = "";
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foreach (ManagementObject printer in searcher.Get())
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{
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printerName = printer["Name"].ToString().ToLower();
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if (printerName.IndexOf(printerName1.ToLower()) > -1)
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{
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if (printer["WorkOffline"].ToString().ToLower().Equals("true"))
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{
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switch (MessageBox.Show("默认打印机未连接或出错", "警告", MessageBoxButtons.AbortRetryIgnore, MessageBoxIcon.Error))
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{
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case DialogResult.Retry:
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CheckPrinter();
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break;
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}
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return false;
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// printer is offline by user
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}
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else
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{
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// printer is not offline
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return true;
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}
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}
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}
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switch (MessageBox.Show("默认打印机未连接或出错", "警告", MessageBoxButtons.AbortRetryIgnore, MessageBoxIcon.Error))
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{
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case DialogResult.Retry:
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CheckPrinter();
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break;
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}
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return false;
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}
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/// <summary>
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/// 判断打印机状态,传Exception
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/// </summary>
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/// <param name="ex">Exception</param>
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public void ErrerPrint(Exception ex)
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{
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PrintQueue pq = LocalPrintServer.GetDefaultPrintQueue();
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string PrintStaticText = "";
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bool isPrintErrer = false;
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switch (pq.QueueStatus)
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{
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case PrintQueueStatus.Busy:
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PrintStaticText = "打印机正忙";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.DoorOpen:
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PrintStaticText = "打印机上的门已打开";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.Error:
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PrintStaticText = "由于错误情况，打印机无法打印。";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.IOActive:
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PrintStaticText = "打印机正在与打印服务器交换数据";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.Initializing:
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PrintStaticText = "打印机正在初始化";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.ManualFeed:
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PrintStaticText = "打印机正在等待用户将打印介质放入手动送纸盒";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.NoToner:
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PrintStaticText = "打印机墨粉用完";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.None:
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PrintStaticText = "未指定状态。";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.NotAvailable:
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PrintStaticText = "状态信息不可用";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.Offline:
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PrintStaticText = "打印机处于脱机状态。";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.OutOfMemory:
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PrintStaticText = "打印机无可用内存";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.OutputBinFull:
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PrintStaticText = "打印机的输出纸盒已满";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.PagePunt:
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PrintStaticText = "打印机不能打印当前页";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.PaperJam:
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PrintStaticText = "打印机卡纸";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.PaperOut:
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PrintStaticText = "打印机中没有或已用完当前打印作业所需的纸张类型";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.PaperProblem:
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PrintStaticText = "打印机中的纸张导致未指定的错误情况";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.Paused:
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PrintStaticText = "打印队列已暂停";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.PendingDeletion:
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PrintStaticText = "打印队列正在删除打印作业";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.PowerSave:
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PrintStaticText = "打印机处于节能模式";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.Printing:
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PrintStaticText = "设备正在打印";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.Processing:
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PrintStaticText = "设备正在执行某种工作，如果此设备是集打印机、传真机和扫描仪于一体的多功能设备，则不需要打印";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.ServerUnknown:
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PrintStaticText = "打印机处于错误状态";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.TonerLow:
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PrintStaticText = "打印机中只剩下少量墨粉";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.UserIntervention:
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PrintStaticText = "打印机要求通过用户操作来更正错误情况";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.Waiting:
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PrintStaticText = "打印机正在等待打印作业";
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isPrintErrer = true;
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break;
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case PrintQueueStatus.WarmingUp:
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PrintStaticText = "打印机正在预热";
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isPrintErrer = true;
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break;
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}
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if (isPrintErrer)
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{
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//WriteLog.SetString(PrintStaticText);
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MessageBox.Show(PrintStaticText, "警告", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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if (ex.Message == "The net printer is unavailable.")
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{
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MessageBox.Show("网络打印机不可用", "警告", MessageBoxButtons.OK, MessageBoxIcon.Error);
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// WriteLog.SetString(ex.Message);
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}
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else
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{
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// WriteLog.SetException(ex);
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}
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}
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}
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}
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