How to get just printed printer name?

public static string DefaultPrinterName()
{
	string functionReturnValue = null;
	System.Drawing.Printing.PrinterSettings oPS = new System.Drawing.Printing.PrinterSettings();

	try
        {
		functionReturnValue = oPS.PrinterName;
	} 
        catch (System.Exception ex) {
		functionReturnValue = "";
	} 
        finally 
        {
		oPS = null;
	}
	return functionReturnValue;
}