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Cannot clear tabstops for a Style

Aspose.Words Product Family
#1

Here is sample code:

doc = New Document("C:\tabstop.dot")
bldr = New DocumentBuilder(doc)
With doc.Styles("Re Line").ParagraphFormat
.TabStops.Clear()
End With
doc.Save("C:\tabstop.doc")

When I open the resulting document, Style “Re Line” still has a tabstop at .75

#2

Hi
Thanks for your request. I managed to reproduce the problem and created new issue #6566 in our defect database. I will notify you as soon as it is fixed.
Best regards.

#3

Any new news on this?

#4

Hi

Thanks for your request. Unfortunately, the issue is still unresolved. You will be notified as soon as it is fixed.

Best regards,

#5

Hi Steve,

Hope you are still interested in resolution of this issue. Actually here is no bug in Aspose.Words. Tab stops can be defined in:

  • Paragraphs. You can access them using Paragraph.ParagraphFormat.TabStops.
  • Paragraph styles. You can access then using Style.ParagraphFormat.TabStops.
  • ListLevel. There is no way to access ListLevel’s TabStop itself, but you can get its position. Use ListLevel.TabPosition property.
  • Document. Finally, default TabStop can be specified on Document level. See Document.DefaultTabStop.

TabStopCollection provides method Clear(), which removes all TabStops form the collection. However, sometimes if call for example paragraph.ParagraphFormat.TabStops.Clear(); in the output document you will still see one TabStop. This is not a bug, this occurs because MS Word shows all TabStops of paragraph, i.e. TabStops from Paragraph, Style and ListLevel (if paragraph is list item). So in order to remove all TabStops of a particular paragraph you should use code like the following:

/// 
/// Method clears all TabStops asociated with the paragraph.
/// 
private static void ClearAllTabStops(Paragraph paragraph)
{
    // TabStops of paragraph can be defined in three places:
    // 1 - In Paragraph itself, we can access them using ParagraphFormat.
    // 2 - In the Style asociated with the paragraph.
    // 3 - If paragraph is list item, then TabPosition is TabStop of the paragraph.
    // Clear paragraph's TabStops.
    paragraph.ParagraphFormat.TabStops.Clear();
    // Clear TabStops from paragraph's style.
    Style paragraphStyle = paragraph.ParagraphFormat.Style;
    paragraphStyle.ParagraphFormat.TabStops.Clear();
    // Finaly clear TabPosition if the paragraph is list item.
    if (paragraph.IsListItem)
        paragraph.ParagraphFormat.TabStops.Add(paragraph.ListFormat.ListLevel.TabPosition, TabAlignment.Clear, TabLeader.None);
}

In your case, you need to clear all TabStops of a style. So your code will look like the following.

Document doc = new Document(@"Test001\Tabstop.dot");
Style relineStyle = doc.Styles["Re Line"];
relineStyle.ParagraphFormat.TabStops.Clear();
if (relineStyle.ListFormat != null)
    relineStyle.ParagraphFormat.TabStops.Add(relineStyle.ListFormat.ListLevel.TabPosition, TabAlignment.Clear, TabLeader.None);
doc.Save(@"Test001\out.doc");

Please let me know in case of any issues, I will be glad to help you.
Best regards.