PDFTron SDK

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10/15/20

Why is "Document Assembly" always reporting “Not Allowed” in some other PDF readers?

Question: How to get rid of the "Document Assembly" “Not Allowed” option shown in some PDF

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Why is "Document Assembly" always reporting “Not Allowed” in some other PDF readers?

Question: How to get rid of the "Document Assembly" “Not Allowed” option shown in some PDF

10/15/20

10/1/19

Better Text Selection to/from clipboard

The PDF standard does not define how text is extracted exactly, so each vendor is left to their own

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Better Text Selection to/from clipboard

The PDF standard does not define how text is extracted exactly, so each vendor is left to their own

10/1/19

5/21/19

Detecting and fixing non-conformant PDF files

The following code can be used to check if a PDF has a cross reference table and was repaired. PDFDoc

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Detecting and fixing non-conformant PDF files

The following code can be used to check if a PDF has a cross reference table and was repaired. PDFDoc

5/21/19

10/4/17

How do I limit how many big a number can be entered into a field?

Question: I want to limit the number that can be entered to something like the following. "

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How do I limit how many big a number can be entered into a field?

Question: I want to limit the number that can be entered to something like the following. "

10/4/17

5/19/17

Why can't I merge my image stamps into a PDF using a non-PDFNet tool?

Q: I have image stamps made in PDFTron's WebViewer, and saved to my server as XFDF. I want to

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Why can't I merge my image stamps into a PDF using a non-PDFNet tool?

Q: I have image stamps made in PDFTron's WebViewer, and saved to my server as XFDF. I want to

5/19/17

5/18/17

How to translate Adobe cursor points to actual PDF page points?

Question: Adobe Acrobat can display the coordinates of the mouse in Pt points. However, these values

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How to translate Adobe cursor points to actual PDF page points?

Question: Adobe Acrobat can display the coordinates of the mouse in Pt points. However, these values

5/18/17

11/30/16

Get error message in Acrobat XI after saving a PDF with PDFNet.

Question: After saving a PDF, and then opening in Adobe Acrobat XI, I get the following message when

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Get error message in Acrobat XI after saving a PDF with PDFNet.

Question: After saving a PDF, and then opening in Adobe Acrobat XI, I get the following message when

11/30/16

5/4/16

Text from URI value is incorrect.

Question: We are trying to get the URI string from a Link annotation, but the text is not what we see

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Text from URI value is incorrect.

Question: We are trying to get the URI string from a Link annotation, but the text is not what we see

5/4/16

5/2/16

Acrobat is showing file paths that match my computer, but PDFNet does not.

Question: The function GetAsPDFText does not report the same text, that Acrobat shows in their

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Acrobat is showing file paths that match my computer, but PDFNet does not.

Question: The function GetAsPDFText does not report the same text, that Acrobat shows in their

5/2/16

4/19/16

How to prevent other PDF readers from updating the date of an annotation?

Question: After creating an annotation in PDFNet, if I then open it in another reader, it will change

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How to prevent other PDF readers from updating the date of an annotation?

Question: After creating an annotation in PDFNet, if I then open it in another reader, it will change

4/19/16

1/15/16

What are the different types of digital signatures that can be added to a PDF using PDFNet?

Answer: There are two types of digital signatures in a PDF. Author Signature : Zero or One Approval/

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What are the different types of digital signatures that can be added to a PDF using PDFNet?

Answer: There are two types of digital signatures in a PDF. Author Signature : Zero or One Approval/

1/15/16

11/30/15

Text highlights lose their transparency after converting to PDFA format

Q: We use PDFNet to convert PDF files to PDFA. When we highlight some text in the pdf files, using

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Text highlights lose their transparency after converting to PDFA format

Q: We use PDFNet to convert PDF files to PDFA. When we highlight some text in the pdf files, using

11/30/15

4/14/15

Why does signing a document seem to change the document permissions?

Q: I've set the security permissions on my document to allow Document Assembly (adding/removing

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Why does signing a document seem to change the document permissions?

Q: I've set the security permissions on my document to allow Document Assembly (adding/removing

4/14/15

12/31/14

How can I normalize Rect coordinates in my database?

Q: I have a variety of annotation information persisted to my database. I need to normalize all the

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How can I normalize Rect coordinates in my database?

Q: I have a variety of annotation information persisted to my database. I need to normalize all the

12/31/14

12/5/14

Why don't my RichMedia annotations play in Acrobat?

Q: I followed the advice given at http://blog.pdftron.com/2013/09/11/working-with-pdf-richmedia-

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Why don't my RichMedia annotations play in Acrobat?

Q: I followed the advice given at http://blog.pdftron.com/2013/09/11/working-with-pdf-richmedia-

12/5/14

10/28/14

Why does adding a second signature field and signing it invalidate the signature on my document?

Q: I have a document which I've signed and saved. Then, I add a new form field and signature and

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Why does adding a second signature field and signing it invalidate the signature on my document?

Q: I have a document which I've signed and saved. Then, I add a new form field and signature and

10/28/14

7/28/14

Why are my text field appearances inconsistent after flattening?

Q: I have a document with some text fields that were already populated in Acrobat. When I add new

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Why are my text field appearances inconsistent after flattening?

Q: I have a document with some text fields that were already populated in Acrobat. When I add new

7/28/14

5/29/14

Why is my underline annotation upside-down?

Q: I'm importing an underline annotation from an XFDF document. The underline annotation looks

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Why is my underline annotation upside-down?

Q: I'm importing an underline annotation from an XFDF document. The underline annotation looks

5/29/14

5/29/14

Why is my strikethrough annotation so thin?

Q: I'm importing an XFDF annotation with PDFNet and then viewing the result in Acrobat. The XFDF

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Why is my strikethrough annotation so thin?

Q: I'm importing an XFDF annotation with PDFNet and then viewing the result in Acrobat. The XFDF

5/29/14

Aaron Gravesdale

4/22/14

Why does the PDFNet Optimizer create such large JPEGs?

Q: I've optimized a file both in Acrobat and PDFNet. In each, I set the options to prefer JPEG

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Why does the PDFNet Optimizer create such large JPEGs?

Q: I've optimized a file both in Acrobat and PDFNet. In each, I set the options to prefer JPEG

4/22/14

Vincent Ycasas, Support2

1/30/14

What Type of Certificates Should We Use for Digital Signatures?

You will want to make sure that the cert provider is listed as part of Adobe Approved Trust List (

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What Type of Certificates Should We Use for Digital Signatures?

You will want to make sure that the cert provider is listed as part of Adobe Approved Trust List (

1/30/14

Aaron Gravesdale

10/11/13

Transparency Blending Color Space

Q: When I open Output Preview in Acrobat, it lists the "Transparency Blending Color Space".

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Transparency Blending Color Space

Q: When I open Output Preview in Acrobat, it lists the "Transparency Blending Color Space".

10/11/13

10/10/13

Can't save small files for Fast Web View?

Q: I'm required to save all documents with property 'Fast Web View' set to 'Yes'.

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Can't save small files for Fast Web View?

Q: I'm required to save all documents with property 'Fast Web View' set to 'Yes'.

10/10/13

Matthew Nelson, Ryan2

8/19/13

Annotated File Attachment Icon Size

Hi Matthew, the PDF spec doesn't actually specify the appearance if icons such as the file

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Annotated File Attachment Icon Size

Hi Matthew, the PDF spec doesn't actually specify the appearance if icons such as the file

8/19/13

5/23/12

How do I remove Acrobat's Rights Enable info from PDF?

Working now just a minor typo in your code needed to be doc.GetRoot().Erase("Perms"); On

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How do I remove Acrobat's Rights Enable info from PDF?

Working now just a minor typo in your code needed to be doc.GetRoot().Erase("Perms"); On

5/23/12

5/16/12

Acrobat reader crashes when I use "SetIntentName".

Hi, I am having an issue when creating some annotations and saving the document. All goes well (in my

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Acrobat reader crashes when I use "SetIntentName".

Hi, I am having an issue when creating some annotations and saving the document. All goes well (in my

5/16/12

4/25/07

Enabling usage rights within Adobe Reader

Q: If a document enters as a rights enabled PDF, my presumption is that we can retain those rights as

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Enabling usage rights within Adobe Reader

Q: If a document enters as a rights enabled PDF, my presumption is that we can retain those rights as

4/25/07

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