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// Printer.cs // // sets the default printer using WMI // // references: // http://msdn.microsoft.com/library/en-us/wmisdk/wmi/setdefaultprinter_method_in_class_win32_printer.asp // // Fri, 19 Sep 2003 14:14 // public class PrinterTest { public static void Main(string[] args) { string PrinterToSelect= null; if (args.Length>0) { if (!(args[0].StartsWith("-"))) PrinterToSelect= args[0]; else { System.Console.WriteLine("\nThis utility lists the configured printers, and optionally selects\na new default printer.\n"); System.Console.WriteLine("usage: Printer [<name of printer to select as default>]"); return ; } } // Get the list of configured printers: string strQuery= "SELECT * FROM Win32_Printer"; System.Console.WriteLine("WMI Query: '{0}'", strQuery); System.Console.WriteLine("=============================================="); System.Management.ObjectQuery oq = new System.Management.ObjectQuery(strQuery); System.Management.ManagementObjectSearcher query1 = new System.Management.ManagementObjectSearcher(oq); System.Management.ManagementObjectCollection queryCollection1 = query1.Get(); System.Management.ManagementObject newDefault= null; foreach( System.Management.ManagementObject mo in queryCollection1 ) { System.Management.PropertyDataCollection pdc = mo.Properties; System.Console.WriteLine("'{0}'", mo["Name"]); if ((bool)mo["Local"]) System.Console.WriteLine(" A local printer"); else if ((bool)mo["Network"]) System.Console.WriteLine(" a network printer located at: {0}", mo["Location"]); // if you want to display all properties of every printer // foreach (System.Management.PropertyData pd in pdc) { // System.Console.WriteLine(" {0:12} : {1}", pd.Name, mo[pd.Name]); // } if ((bool)mo["Default"]) { System.Console.WriteLine(" THIS IS THE DEFAULT PRINTER"); } else if (mo["Name"].ToString().Trim()==PrinterToSelect) newDefault= mo; // store for later System.Console.WriteLine(""); } if (newDefault!=null) { System.Console.WriteLine("\nRESETTING THE DEFAULT PRINTER to '{0}'", newDefault["Name"]); //Execute the method System.Management.ManagementBaseObject outParams = newDefault.InvokeMethod ("SetDefaultPrinter", null, null); //Display results //Note: The return code of the method is provided in the "returnValue" property of the outParams object System.Console.WriteLine("SetDefaultPrinter() returned: " + outParams["returnValue"]); } } }
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