Sunday, 14 October 2007

How to change default printers in .NET

Apparently, the System.Management namespace gives access to the WMI classes. However, that only gives me a configurable Win32_Printer object and a readonly Win32_PrinterConfiguration object...

There is a way around this one:

public static void SetDefaultPrinter(string name)
try {
Type t = Type.GetTypeFromProgID("WScript.Network");
Object o = Activator.CreateInstance(t);
t.InvokeMember("SetDefaultPrinter", System.Reflection.BindingFlags.InvokeMethod, null, o, new object[] {name});
catch (Exception)
{ throw new Exception("Unable to set a default printer."); }

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