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Tabstop problem
https://forum.pdfsharp.net/viewtopic.php?f=2&t=1459		 Page 1 of 1
Author:  DaveR [ Fri Dec 03, 2010 10:24 am ]
Post subject:  Tabstop problem
I'm trying to output some text that consist of a centred para header in bold followed by a blank line followed by some 2 or 3 lines of para text. I want the whole thing kept together on the same page. Below is the code I'm using. It works Ok except that the para header does not centre. The tab is applied as though it were a left align. Any ideas?

style = doc.Styles.AddStyle("bold", "Normal");
style.Font.Bold = true;

style = doc.Styles.AddStyle("leftalign", "Normal");
style.ParagraphFormat.Alignment = ParagraphAlignment.Left;
style.Font.Bold = false;

para = section.AddParagraph();
para.Format.KeepTogether = true;
para.Format.AddTabStop(doc.DefaultPageSetup.PageWidth / 2, MigraDoc.DocumentObjectModel.TabAlignment.Center);
para.AddFormattedText("\tPara header", "bold");
para.AddText("\r\n\r\n");
para.AddFormattedText("some text for 2 or lines", "leftalign");
Author:  Thomas Hoevel [ Mon Dec 06, 2010 11:19 am ]
Post subject:  Re: Tabstop problem
Hi!

I haven't tried your snippet, but normally Tabs work.

Instead of calling
Code:
para.Format.AddTabStop(...)

I'd call
Code:
para.Format.TabStops.ClearAll();
para.Format.TabStops.AddTabStop(...);


If that doesn't help, try
Code:
para.AddTab();
para.AddFormattedText("Para header", "bold");

instead of
Code:
para.AddFormattedText("\tPara header", "bold");


Using "\t" should work but I know that AddTab() does work ...
Author:  DaveR [ Mon Dec 06, 2010 12:51 pm ]
Post subject:  Re: Tabstop problem
Hi Thomas,
I've tried the changes you suggest but it still left aligns the text at the tab instead of centering it.
Dave
Author:  Thomas Hoevel [ Mon Dec 06, 2010 1:03 pm ]
Post subject:  Re: Tabstop problem
Hi, Dave,

If you provide a MigraDoc DDL file (can be attached in a ZIP file) I'll look at it.

See here:
http://www.pdfsharp.net/wiki/MigraDocDDL.ashx
Author:  DaveR [ Mon Dec 06, 2010 1:27 pm ]
Post subject:  Re: Tabstop problem
Thomas,
before you do that, I may have a clue. If I change the calculation of the mid pt for the tab
from
doc.DefaultPageSetup.PageWidth / 2
to
(doc.DefaultPageSetup.PageWidth / 2) - doc.DefaultPageSetup.LeftMargin
it looks like it centres correctly. Are the origins of the tab positions from the edge of the page or from the left margin?
Dave
Author:  Thomas Hoevel [ Mon Dec 06, 2010 1:59 pm ]
Post subject:  Re: Tabstop problem
DaveR wrote:
Are the origins of the tab positions from the edge of the page or from the left margin?

From the left margin (similar to Word).

Didn't pay attention to it but now that you mention it. :oops:

So: problem solved, I presume.
Author:  DaveR [ Mon Dec 06, 2010 2:15 pm ]
Post subject:  Re: Tabstop problem
Yes, thanks.
So, just to confirm, to get the centre of the printable area would be:

(doc.DefaultPageSetup.PageWidth - doc.DefaultPageSetup.LeftMargin - doc.DefaultPageSetup.RightMargin) / 2

Dave
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