void IStringSettingConvertible.Convert(string settingValue)
{
XDocument doc = XDocument.Parse(settingValue);
foreach (XElement pqe in doc.Root.Elements("PrintingQueue"))
{
// Sanity-check name first to avoid exception.
string pqName = pqe.TryGetAttributeValue("Name", null);
if (string.IsNullOrWhiteSpace(pqName))
{
Logger.Instance.LogFormat(LogType.Warning, this, Resources.PrintingQueueParseErrorNameIsInvalid);
continue;
}
PrintingQueue pq = new PrintingQueue();
pq.Name = pqName;
pq.PrintServer = pqe.TryGetAttributeValue("PrintServer", null);
pq.PrinterName = pqe.TryGetAttributeValue("PrinterName", null);
pq.IsEnabled = pqe.TryGetAttributeValue("IsEnabled", true);
pq.UseAlternativeCopyingMethod = pqe.TryGetAttributeValue("UseAlternativeCopyingMethod", false);
// Sanity-check copy count to avoid exception.
int pqCopyCount = pqe.TryGetAttributeValue("CopyCount", 1);
if (pqCopyCount < 1)
{
pqCopyCount = 1;
Logger.Instance.LogFormat(LogType.Warning, this, Resources.PrintingQueueCopyCountMustBeGreaterThanZero, pqCopyCount);
}
pq.CopyCount = pqCopyCount;
this.Entries.Add(pq);
}
}
/// <summary>
/// Executes a printing operation using a specific <see cref="PrintingQueue"/> and action.
/// </summary>
/// <param name="queue">The printing queue to use. Must not be null.</param>
/// <param name="printAction">The printing action. Must not be null.</param>
public static void Print(PrintingQueue queue, PrintDelegate printAction)
{
Assertions.AssertNotNull(queue, "queue");
Assertions.AssertNotNull(printAction, "printAction");
if (!queue.IsValid)
{
Logger.Instance.LogFormat(LogType.Warning, typeof(GdiPrinter), Resources.GdiPrinterPrintingQueueIsNotValid, queue.Name);
return;
}
PrintDocument doc = new PrintDocument();
if (!queue.IsDefaultPrinter)
{
doc.PrinterSettings.PrinterName = queue.GetPrinterName();
}
int desiredCopyCount = queue.CopyCount;
int maxSupportedCopyCount = doc.PrinterSettings.MaximumCopies;
int requiredPrintIterations = 1;
if (desiredCopyCount <= maxSupportedCopyCount && !queue.UseAlternativeCopyingMethod)
{
doc.PrinterSettings.Copies = (short)desiredCopyCount;
}
else
{
//Check of the user has requested using this way of printing copies!
if (!queue.UseAlternativeCopyingMethod)
{
// It appears that some printers don't support the CopyCount-feature (notably Microsoft XPS Writer or perhaps PDF-Writers in general?).
// In this case we simply repeat printing until we have reached our copy count.
Logger.Instance.LogFormat(LogType.Warning, typeof(GdiPrinter), Resources.UsedPrinterDoesNotSupportThatMuchCopies, maxSupportedCopyCount, desiredCopyCount);
}
requiredPrintIterations = desiredCopyCount;
}
for (int i = 0; i < requiredPrintIterations; i++)
{
Logger.Instance.LogFormat(LogType.Trace, typeof(GdiPrinter), Resources.PrintIterationStart, i + 1, requiredPrintIterations);
PrintTask task = new PrintTask();
try
{
task.Print(doc, printAction);
}
catch (Exception ex)
{
Logger.Instance.LogFormat(LogType.Error, typeof(GdiPrinter), Resources.GdiPrinterPrintTaskException);
Logger.Instance.LogException(typeof(GdiPrinter), ex);
}
Logger.Instance.LogFormat(LogType.Trace, typeof(GdiPrinter), Resources.PrintIterationEnd);
}
}
/// <summary>
/// Executes a printing operation using a specific <see cref="PrintingQueue"/> and action.
/// </summary>
/// <param name="queue">The printing queue to use. Must not be null.</param>
/// <param name="printAction">The printing action. Must not be null.</param>
public static void Print(PrintingQueue queue, PrintDelegate printAction)
{
Print(queue, printAction, null);
}