4 changed files with 231 additions and 2 deletions
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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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