How to print document both side

Question

I have one command line application which print word document. As per new requirement, whenever application send document for printing, it should print both side.

S

Answer 1

Here's a simple piece of code to print with some settings:

var pd = new PrintDocument
{
    PrinterSettings =
    {
        Duplex = Duplex.Vertical,
        PrinterName = "YourPrinterName"
    }
};

if(pd.PrinterSettings.IsValid)
    pd.Print();

Answer 2

http://msdn.microsoft.com/en-us/library/system.drawing.printing.printersettings.aspx

Perhaps you can use the Duplex-property?