On text highlights selection completed event in the pdf viewer control

Question

Hello,I'm considering your UI kit to be used in my project, but I need to catch the event of highlighting text as it is with TextSelectionCompleted event, is it possible?Maybe there is another way to detect highlights/annotation changes that are made in the document?Best regards,Nicolas

Vasugi Sivajothi · Accepted Answer

Hi Nicolas,

Thanks for the update.

We can get the selected text without set an annotation using OnTextSelectionEnd event. Please refer to the below code snippet and sample.

Code Snippet:

@code {

public void selectionEnd(TextSelectionEndEventArgs args)
{

}

}

Sample: https://www.syncfusion.com/downloads/support/directtrac/general/ze/BlazorServerApp858431812

Please let us know if you have any concerns about this.

Regards,

Vasugi

Vasugi Sivajothi · Answer

Hi Nicolas, 
 
 
Thanks for contacting Syncfusion support. 
 
We can get the annotation details using annotationAdd event. Please refer to the below code snippet and sample, 
 
Code Snippet: 
 




 
<PdfViewerEvents AnnotationAdded="annotationAdd"> 
 
@code{ 
     
    public void annotationAdd(AnnotationAddEventArgs args) 
    { 
         
    } 
} 
 
 
Sample: https://www.syncfusion.com/downloads/support/directtrac/general/ze/BLAZOR~1-1908180223 
 
 
 
Kindly try it and revert us with more details if you have concerns. 
 
 
Regards, 
Vasugi

Nicolas NOEL · Answer

Hi Vasugi,Thank you for answer and the sample.But it's possible to get the selected text without set an annotation only on the select text event ?Best regards,Nicolas

Nicolas NOEL · Answer

Hi Vasugi,Thanks I have all my answers.Have a nice dayRegardsNicolas

Nicolas NOEL · Answer

Hi Vasugi,Is it possible to have text with mutliline selection formated with the carriage return? Because actally I have this text on a pdf document :And in the event it's return in one line like this in the textcontent variable Thank youNicolas

Dhivyabharathi Mohan · Answer

Hi Nicolas, 
  
 
Thanks for the update. 
 
Currently, we do not have support to get the text with multiline selection format in the textSelection event. However, we will analyze further on this and update you with more details on April 7, 2021. 
 
 
Regards, 
Dhivya.

Selvakumar Murugan · Answer

Hi Nicolas, 

Sorry for the Inconvenience. 

Currently we are checking on this with high priority. We will provide further details on 12th April 2021. 

Regards,Selvakumar

Dhivyabharathi Mohan · Answer

Hi Nicolas, 
 
We have already provided the support for retrieving the text with the new line characters. We suspect that the text in the PDF document does not contains the newline characters. So that it is not available in the event arguments. So please share the PDF document in which you have faced the issue. It will be helpful for us to analyze further and provide details. We have shared the screenshot for your reference. 
  
 
 
Regards, 
Dhivya.

Nicolas NOEL · Answer

Hi Dhivya"So please share the PDF document in which you have faced the issue. It will be helpful for us to analyze further and provide details. We have shared the screenshot for your reference"I send you the pdf in attachement. I can open the pdf with adobe reader dc and make copy and paste in windows bloc note with the newline characters.Thanks,NicolasAttachment: facture_9000910047_20190904_Orange_MAFR__Nø5731347495__TEXTE__RUN_1467a4c3.zip

Dhivyabharathi Mohan · Answer

Hi Nicolas, 
 
 
We checked further with the document you have shared and found that the selected text is displayed in multi-line as in the PDF document. We have shared the sample and the screenshots for your reference. 
 
Sample: https://www.syncfusion.com/downloads/support/directtrac/general/ze/BlazorServerApp-399962961  
 
Screenshot: 
 
  
 
 
Selected text displayed in multi-line: 
 
  
 
 
Kindly try this and revert by modifying the sample which we provided to replicate the reported issue. It will be helpful if we know the version you are working with. This will help us to investigate further and provide details. 
 
 
 
Regards, 
Dhivya.