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13 Jul 2017
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TOPIC: Adding of annotations

Adding of annotations 4 years 3 months ago #6646

  • petr.sklenicka
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Hello,
I have a little issue with adding of annotations to a page. The issue is, that a code, which I use, is working, however in case, that a PDF-document view is increased in its size, the code stops to work. When I decrease the size of the view, everything works fine again.
For adding the annotation I use this code:

page.AddAnnotText(new float[] { x, y });
page = vPage.GetPage();
int annotCount = page.GetAnnotCount();
Annotation textAnnot = page.GetAnnot(annotCount - 1);
textAnnot.SetPopupText(noteText);
textAnnot.SetFillColor(Page.highlightColor);
textAnnot.SetPopupSubject(String.valueOf(timestamp));

page is an object of class page acquired by a method vGetPage (currentNbrofPage).

Do you know where could be the problem? Many thanks.

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Adding of annotations 4 years 3 months ago #6651

  • radaee
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increase View size cause vLayout, which re-layout all pages in async way.
in this case, page object did not avaible.

decrease View size mostly not cause vLayout.

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Adding of annotations 4 years 3 months ago #6657

  • petr.sklenicka
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Thanks for your reply. Is there any way how to add annotation when the View is increased?

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Adding of annotations 4 years 3 months ago #6659

  • radaee
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wait untill page rendered.
in PDFReader.OnPDFPageDisplayed()
check vPage.IsFinished();
The following user(s) said Thank You: sanyu erisa

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