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WMI ( Windows 管理规范 )
定义
WMI(Windows Management Instrumentation,Windows 管理规范)是一项核心的 Windows 管理技术;用户可以使用 WMI 管理本地和远程计算机。
常用 WMI 查看
WMI Reference
WMI Classes
Computer System Hardware Classes
Win32_Printer
Win32_PrintJob
Win32 Classes
WMI Providers
c# 示例
using System.Management;
string query = string.Format("SELECT * from Win32_Printer WHERE Name =‘{0}‘ ", printerName);ManagementObjectSearcher searcher = new ManagementObjectSearcher(query);ManagementObjectCollection printerzs = searcher.Get();foreach (ManagementBaseObject printer in printerzs){ string printername = printer.Properties["Name"].Value.ToString(); if (printername == printerName) { string workOffline = printer.Properties["WorkOffline"].Value.ToString().ToLower(); printerStruct.WorkOffline = workOffline.ToLower() == "true"; string jobCount = printer.Properties["JobCountSinceLastReset"].Value.ToString(); printerStruct.JobCount = Convert.ToInt32(jobCount); Core.PrinterStatus ret = (Core.PrinterStatus)Convert.ToInt32(printer.Properties["PrinterStatus"].Value); printerStruct.PrinterStatus = ret; printerStruct.PrinterStatusString = ret.ToString(); }}
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