PrintSystemJobInfo.IsPrinting Свойство

Определение

Пространство имен:

System.Printing

Сборка:

System.Printing.dll

Возвращает значение, указывающее, печатается ли задание печати.

public:
 property bool IsPrinting { bool get(); };

public bool IsPrinting { get; }

member this.IsPrinting : bool

Public ReadOnly Property IsPrinting As Boolean

Значение свойства

Boolean

Значение true, если идет печать, в противном случае — false.

Примеры

В следующем примере показано, как использовать это свойство при диагностике проблемы с заданием печати.

// Check for possible trouble states of a print job using its properties
static void SpotTroubleUsingProperties (PrintSystemJobInfo^ theJob) 
{
   if (theJob->IsBlocked)
   {
      Console::WriteLine("The job is blocked.");
   }
   if (theJob->IsCompleted || theJob->IsPrinted)
   {
      Console::WriteLine("The job has finished. Have user recheck all output bins and be sure the correct printer is being checked.");
   }
   if (theJob->IsDeleted || theJob->IsDeleting)
   {
      Console::WriteLine("The user or someone with administration rights to the queue has deleted the job. It must be resubmitted.");
   }
   if (theJob->IsInError)
   {
      Console::WriteLine("The job has errored.");
   }
   if (theJob->IsOffline)
   {
      Console::WriteLine("The printer is offline. Have user put it online with printer front panel.");
   }
   if (theJob->IsPaperOut)
   {
      Console::WriteLine("The printer is out of paper of the size required by the job. Have user add paper.");
   }

   if (theJob->IsPaused || theJob->HostingPrintQueue->IsPaused)
   {
      HandlePausedJob(theJob);
      //HandlePausedJob is defined in the complete example.
   }

   if (theJob->IsPrinting)
   {
      Console::WriteLine("The job is printing now.");
   }
   if (theJob->IsSpooling)
   {
      Console::WriteLine("The job is spooling now.");
   }
   if (theJob->IsUserInterventionRequired)
   {
      Console::WriteLine("The printer needs human intervention.");
   }
};

// Check for possible trouble states of a print job using its properties
internal static void SpotTroubleUsingProperties(PrintSystemJobInfo theJob)
{
    if (theJob.IsBlocked)
    {
        Console.WriteLine("The job is blocked.");
    }
    if (theJob.IsCompleted || theJob.IsPrinted)
    {
        Console.WriteLine("The job has finished. Have user recheck all output bins and be sure the correct printer is being checked.");
    }
    if (theJob.IsDeleted || theJob.IsDeleting)
    {
        Console.WriteLine("The user or someone with administration rights to the queue has deleted the job. It must be resubmitted.");
    }
    if (theJob.IsInError)
    {
        Console.WriteLine("The job has errored.");
    }
    if (theJob.IsOffline)
    {
        Console.WriteLine("The printer is offline. Have user put it online with printer front panel.");
    }
    if (theJob.IsPaperOut)
    {
        Console.WriteLine("The printer is out of paper of the size required by the job. Have user add paper.");
    }

    if (theJob.IsPaused || theJob.HostingPrintQueue.IsPaused)
    {
        HandlePausedJob(theJob);
        //HandlePausedJob is defined in the complete example.
    }

    if (theJob.IsPrinting)
    {
        Console.WriteLine("The job is printing now.");
    }
    if (theJob.IsSpooling)
    {
        Console.WriteLine("The job is spooling now.");
    }
    if (theJob.IsUserInterventionRequired)
    {
        Console.WriteLine("The printer needs human intervention.");
    }
}//end SpotTroubleUsingProperties

' Check for possible trouble states of a print job using its properties
Friend Shared Sub SpotTroubleUsingProperties(ByVal theJob As PrintSystemJobInfo)
    If theJob.IsBlocked Then
        Console.WriteLine("The job is blocked.")
    End If
    If theJob.IsCompleted OrElse theJob.IsPrinted Then
        Console.WriteLine("The job has finished. Have user recheck all output bins and be sure the correct printer is being checked.")
    End If
    If theJob.IsDeleted OrElse theJob.IsDeleting Then
        Console.WriteLine("The user or someone with administration rights to the queue has deleted the job. It must be resubmitted.")
    End If
    If theJob.IsInError Then
        Console.WriteLine("The job has errored.")
    End If
    If theJob.IsOffline Then
        Console.WriteLine("The printer is offline. Have user put it online with printer front panel.")
    End If
    If theJob.IsPaperOut Then
        Console.WriteLine("The printer is out of paper of the size required by the job. Have user add paper.")
    End If

    If theJob.IsPaused OrElse theJob.HostingPrintQueue.IsPaused Then
        HandlePausedJob(theJob)
        'HandlePausedJob is defined in the complete example.
    End If

    If theJob.IsPrinting Then
        Console.WriteLine("The job is printing now.")
    End If
    If theJob.IsSpooling Then
        Console.WriteLine("The job is spooling now.")
    End If
    If theJob.IsUserInterventionRequired Then
        Console.WriteLine("The printer needs human intervention.")
    End If

End Sub