/// <summary>
/// Sets the job render location for the specified print queue.
/// </summary>
/// <param name="queue">The <see cref="PrintQueue" /> to modify.</param>
/// <param name="location">The <see cref="PrintJobRenderLocation" />.</param>
/// <exception cref="ArgumentException"><paramref name="location" /> is <see cref="PrintJobRenderLocation.Unknown" /></exception>
public static void SetJobRenderLocation(PrintQueue queue, PrintJobRenderLocation location)
{
// This feature only applies to Vista and greater
if (Environment.OSVersion.Version.Major >= 6)
{
PrintRegistryUtil.SetJobRenderLocation(queue, location);
}
}
/// <summary>
/// Sets the job render location for the specified print queue.
/// </summary>
/// <param name="queue">The <see cref="PrintQueue" /> to modify.</param>
/// <param name="location">The <see cref="PrintJobRenderLocation" />.</param>
/// <exception cref="ArgumentException"><paramref name="location" /> is <see cref="PrintJobRenderLocation.Unknown" /></exception>
internal static void SetJobRenderLocation(PrintQueue queue, PrintJobRenderLocation location)
{
if (location == PrintJobRenderLocation.Unknown)
{
throw new ArgumentException("Cannot set job render location to Unknown.", nameof(location));
}
RegistryKey driverData = Registry.LocalMachine.OpenSubKey(_printersSubKey).OpenSubKey(queue.FullName).OpenSubKey("PrinterDriverData", true);
driverData?.SetValue("EMFDespoolingSetting", (int)location);
driverData?.Close();
}
private MonitoredQueueInfoCache GetQueueInfo(string queueName)
{
MonitoredQueueInfoCache cachedInfo = null;
try
{
//Try to retrieve from the cache
if (!_cache.TryGetValue(queueName, out cachedInfo))
{
cachedInfo = new MonitoredQueueInfoCache(queueName)
{
PrintServer = Environment.MachineName,
PrintServerOS = Environment.OSVersion.ToString()
};
_cache.Add(queueName, cachedInfo);
}
// Refresh queue data if older than 5 minutes
if (cachedInfo.QueueSettingsRetrieved < DateTime.Now.AddMinutes(-5))
{
PrintQueue queue = PrintQueueController.GetPrintQueue(queueName);
cachedInfo.Refresh(queue);
PrintJobRenderLocation location = PrintQueueController.GetJobRenderLocation(queue);
if (location != PrintJobRenderLocation.Unknown)
{
cachedInfo.RenderOnClient = (location == PrintJobRenderLocation.Client);
}
else
{
cachedInfo.RenderOnClient = null;
}
cachedInfo.QueueSettingsRetrieved = DateTime.Now;
}
}
catch (Win32Exception ex)
{
TraceFactory.Logger.Error("Unable to get queue data for {0}".FormatWith(queueName), ex);
}
return(cachedInfo);
}
