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PrintTicket.Duplexing Property

Gets or sets a value indicating what kind of two-sided printing, if any, the printer uses for the print job.

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

public Nullable<Duplexing> Duplexing { get; set; }

Property Value

Type: System.Nullable<Duplexing>
A Duplexing value indicating what sort of two-sided printing, if any, the printer uses for the print job.

ExceptionCondition
ArgumentOutOfRangeException

Calling code has attempted to set the property to a value that is not in the Duplexing enumeration.

A null value for this property means that this feature setting is not specified. Also, when the value is null, the XML versions of the PrintTicket (see SaveTo and GetXmlStream) will not contain any markup for this feature.

This property corresponds to the Print Schema's JobDuplexAllDocumentsContiguously keyword, not the DocumentDuplex keyword.

You can test for the options that the printer supports by using the DuplexingCapability property.

The following example shows how to use this property while merging two print tickets.

/// <summary> 
/// Changes the user-default PrintTicket setting of the specified print queue. 
/// </summary> 
/// <param name="queue">the printer whose user-default PrintTicket setting needs to be changed</param>
static private void ChangePrintTicketSetting(PrintQueue queue)
{
    // 
    // Obtain the printer's PrintCapabilities so we can determine whether or not 
    // duplexing printing is supported by the printer. 
    //
    PrintCapabilities printcap = queue.GetPrintCapabilities();

    // 
    // The printer's duplexing capability is returned as a read-only collection of duplexing options 
    // that can be supported by the printer. If the collection returned contains the duplexing 
    // option we want to set, it means the duplexing option we want to set is supported by the printer, 
    // so we can make the user-default PrintTicket setting change. 
    // 
    if (printcap.DuplexingCapability.Contains(Duplexing.TwoSidedLongEdge))
    {
        // 
        // To change the user-default PrintTicket, we can first create a delta PrintTicket with 
        // the new duplexing setting. 
        //
        PrintTicket deltaTicket = new PrintTicket();
        deltaTicket.Duplexing = Duplexing.TwoSidedLongEdge;

        // 
        // Then merge the delta PrintTicket onto the printer's current user-default PrintTicket, 
        // and validate the merged PrintTicket to get the new PrintTicket we want to set as the 
        // printer's new user-default PrintTicket. 
        //
        ValidationResult result = queue.MergeAndValidatePrintTicket(queue.UserPrintTicket, deltaTicket);

        // 
        // The duplexing option we want to set could be constrained by other PrintTicket settings 
        // or device settings. We can check the validated merged PrintTicket to see whether the 
        // the validation process has kept the duplexing option we want to set unchanged. 
        // 
        if (result.ValidatedPrintTicket.Duplexing == Duplexing.TwoSidedLongEdge)
        {
            // 
            // Set the printer's user-default PrintTicket and commit the set operation. 
            //
            queue.UserPrintTicket = result.ValidatedPrintTicket;
            queue.Commit();
            Console.WriteLine("PrintTicket new duplexing setting is set on '{0}'.", queue.FullName);
        }
        else
        {
            // 
            // The duplexing option we want to set has been changed by the validation process 
            // when it was resolving setting constraints. 
            //
            Console.WriteLine("PrintTicket new duplexing setting is constrained on '{0}'.", queue.FullName);
        }
    }
    else
    {
        // 
        // If the printer doesn't support the duplexing option we want to set, skip it. 
        //
        Console.WriteLine("PrintTicket new duplexing setting is not supported on '{0}'.", queue.FullName);
    }
}

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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