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Duplexing Enumeration

Specifies whether a printer uses one-sided printing or some type of two-sided (duplex) printing.

Namespace:  System.Printing
Assembly:  ReachFramework (in ReachFramework.dll)

public enum Duplexing
<object property="enumerationMemberName" .../>

Member nameDescription
OneSidedOutput prints on only one side of each sheet.
TwoSidedLongEdgeOutput prints on both sides of each sheet, which flips along the edge parallel to the MediaSizeHeight.
TwoSidedShortEdgeOutput prints on both sides of each sheet, which flips along the edge parallel to MediaSizeWidth.
UnknownThe feature (whose options are represented by this enumeration) is set to an option not defined in the Print Schema.

Use the values of this type primarily for these purposes:

  • As members of the DuplexingCapability collection, which is a property of PrintCapabilities, these values indicate the kinds of one-sided and two-sided printing that the printer supports.

  • As the value of the Duplexing property of a PrintTicket, they direct the printer to use one-sided printing or some kind of two-sided printing.

The Unknown value is never used in properties of PrintCapabilities objects.

You should never set a PrintTicket property to Unknown. If some other PrintTicket producing application has created a PrintTicket document that sets the duplexing feature to an unrecognized duplexing option (that is, an option that is not defined in the Print Schema), then a PrintTicket object in your application that is constructed with that document will have Unknown as the value of the Duplexing property.

Although the PrintTicket and PrintCapabilities classes cannot be inherited, you can extend the Print Schema to recognize print device features that are not accounted for in the PrintTicket or PrintCapabilities classes. For more information see How to: Extend the Print Schema and Create New Print System Classes.

The following example shows how to test a printer's capabilities and configure the print job to take advantage of them. .

// ---------------------- GetPrintTicketFromPrinter ----------------------- 
/// <summary> 
///   Returns a PrintTicket based on the current default printer.</summary> 
/// <returns> 
///   A PrintTicket for the current local default printer.</returns> 
private PrintTicket GetPrintTicketFromPrinter()
{
    PrintQueue printQueue = null;

    LocalPrintServer localPrintServer = new LocalPrintServer();

    // Retrieving collection of local printer on user machine
    PrintQueueCollection localPrinterCollection =
        localPrintServer.GetPrintQueues();

    System.Collections.IEnumerator localPrinterEnumerator =
        localPrinterCollection.GetEnumerator();

    if (localPrinterEnumerator.MoveNext())
    {
        // Get PrintQueue from first available printer
        printQueue = (PrintQueue)localPrinterEnumerator.Current;
    }
    else
    {
        // No printer exist, return null PrintTicket 
        return null;
    }

    // Get default PrintTicket from printer
    PrintTicket printTicket = printQueue.DefaultPrintTicket;

    PrintCapabilities printCapabilites = printQueue.GetPrintCapabilities();

    // Modify PrintTicket 
    if (printCapabilites.CollationCapability.Contains(Collation.Collated))
    {
        printTicket.Collation = Collation.Collated;
    }

    if ( printCapabilites.DuplexingCapability.Contains(
            Duplexing.TwoSidedLongEdge) )
    {
        printTicket.Duplexing = Duplexing.TwoSidedLongEdge;
    }

    if (printCapabilites.StaplingCapability.Contains(Stapling.StapleDualLeft))
    {
        printTicket.Stapling = Stapling.StapleDualLeft;
    }

    return printTicket;
}// end:GetPrintTicketFromPrinter()

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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