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PrintQueue.Commit Method

Writes the current properties of the PrintQueue object to the actual print queue on the print server.

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

public override void Commit()

ExceptionCondition
PrintSystemException

Some of the properties could not be committed.

PrintCommitAttributesException

Some of the properties could not be committed.

- or -

The PrintQueue object was not created with sufficient rights.

Changes that your program makes to the properties of a PrintQueue object do not actually take effect until the program executes the Commit method.

The method requires that the PrintQueue object be created with AdministratePrinter rights.

The following example shows how to use this method 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

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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