Problem With Checking Print Result

Legacy Poster

• 2016年01月11日 14:49

Hello.

 

I have problem with checking print result.

 

Code:

 

if (labelFormat.Print("Label for " + txtPN.Text, out mess) == Seagull.BarTender.Print.Result.Success)
{
   // Save last serial number to DB
}
else
{
    MessageBox.Show("Not printed");
}

 

 

(labelFormat is defined as: Seagull.BarTender.Print.LabelFormatDocument labelFormat = btEngine.Documents.Open(file); )

 

Problem: The label is printed sucessfully but MessageBox is showed.

 

How to properly check whether the label is successfully printed?

 

 

I'm sorry for my bad english...

0

• 

  Ian Cummings

  版主

  ★ BarTender Hero ★

  • 2016年01月12日 10:05

  Maybe you'd want to specify a time out.  Also try fault finding things by seeing what messages are returned by the print request.  See the below example from the BarTender Help system:

   

  public void Demo()
  {
     // Initialize a new BarTender print engine.
     using (Engine btEngine = new Engine())
     {
        // Start the BarTender print engine.
        btEngine.Start();
  
        // Open a format document.
        LabelFormatDocument btFormat = btEngine.Documents.Open(@"C:\Format1.btw");
  
        // Print the format document specifying the job name,
        // and get any messages returned.
        Messages btMessages = null;
        Result nResult = btFormat.Print("Test Print", out btMessages);
  
        // Display the print result.
        Console.WriteLine("Print status = " + nResult);
  
        // Print all returned messages.
        foreach (Message m in btMessages)
        {
           Console.WriteLine("Category = " + m.Category);
           Console.WriteLine("ID = " + m.ID);
           Console.WriteLine("Severity = " + m.Severity);
           Console.WriteLine("Text = " + m.Text);
           Console.WriteLine(" ");
        }
  
        // Close the current format without saving.
        btFormat.Close(SaveOptions.DoNotSaveChanges);
  
        // Stop the BarTender print engine.
        btEngine.Stop();
     }
  }
  

  0
• 

  Legacy Poster

  ★ BarTender Hero ★

  • 2016年01月13日 09:16

  Thank you for your answer.

   

  When I use this: 

  ress = labelFormat.Print("Label for " + txtPN.Text, out mess)
  
  if(ress != Result.Success)
  {
      // error
  }
  else
  {
      // Save data to DB
  }
  

  All is OK and data are saved in DB.

   

  What is the difference between this?

  if(labelFormat.Print("Label for " + txtPN.Text, out mess) != Result.Success)
  {
      // error
  }
  else
  {
      // Save data to DB
  }
  

  This throws error (but label is printed), why? It's the same.

   

   

  I'm sorry for my bad english...

  0

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