WMI ( Windows 管理規範 )

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定義

WMI（Windows Management Instrumentation,Windows 管理規範）是一項核心的 Windows 管理技術；使用者可以使用 WMI 管理本地和遠端電腦。

 

常用 WMI 查看

WMI Reference

　　WMI Classes

　　　　Computer System Hardware Classes

           　　Win32_Printer

　　　　　　Win32_PrintJob

Win32 Classes

WMI Providers

 

c# 樣本

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();    }}