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What's New in Essential Studio for Xamarin.iOS


What's New in Essential Studio for Xamarin.iOS

2020 Volume 2 continues to expand our top-of-the-line Xamarin.iOS tools with support for error bars and box-and-whisker plots in the Charts control, asynchronous PDF loading and cancellation in PDF Viewer, and marker virtualization in the Maps control.


ErrorBar chart

The new ErrorBarSeries in Xamarin.iOS allows users to visualize the variability of data and indicates the errors or uncertainty in the reported values.

ErrorBar chart

BoxAndWhisker chart

The new BoxAndWhiskerSeries in Xamarin.iOS depicts groups of numerical data through their quartiles. The lines in the chart represent variability outside the upper and lower quartiles.

BoxAndWhisker chart

Word Library

Table of contents

Allows updating the table of contents in a Word document.

Update table of contents in Word document


Encrypt a Word document with a password and open an encrypted Word document with the valid password.

Encrypt and decrypt a Word document

SEQ fields

Word Library now allows updating SEQ (sequence) fields in a Word document.

Update a SEQ field in Word document

Track changes enhancements

Word Library now provides the following features in tracked changes preservation:

  • Move-to and move-from revisions are preserved in Word documents (DOCX and WordML).
  • Move-to and move-from revisions can be accepted and rejected.
  • Style and section property tracked changes are preserved in Word documents.
  • All tracked revisions in a Word document can be accessed through an API.

Track changes enhancements

FirstColumn and LastColumn in bookmarks

Word Library now provides FirstColumn and LastColumn APIs to define the column range for bookmarks inside tables in Word documents.

Mathematical equations in Word-to-PDF conversion

Word Library now preserves mathematical equations (MathML) when converting Word documents (DOCX and WordML) to PDF.

Mathematical equations in Word-to-PDF conversion


Marker virtualization

This feature allows users to virtualize a large number of markers when zooming and panning maps.

PDF Library

Redact annotation

Mark the words or areas to be redacted with the Redact Annotation. Redact_PDF_ocument

Cloud style annotation

Create a shape annotation with the cloud style. Cloud_style_annotation

PowerPoint Library

Extract OLE object

PowerPoint Library now allows extracting embedded OLE objects from a PowerPoint presentation.

Extract OLE object from a PowerPoint presentation

PDF Viewer

Asynchronous PDF loading and cancellation

This feature allows users to load PDF files asynchronously and cancel the loading operation while it is in progress.

Customize the position of handwritten signatures

This feature allows users to customize the position of handwritten signatures when the “Done” button on the built-in signature pad is tapped.

Disable annotation interaction

This feature allows users to disable selecting, moving, and resizing annotations.

Excel Library

Export Excel data to JSON files

Essential XlsIO supports converting Excel data to JSON files by simply saving the workbook using the SaveAsJson method. This support includes the features to save,  

  • a workbook as a simple JSON file or a JSON file with XML schema
  • a workbook to JSON
  • a worksheet to JSON
  • a range to JSON
  • a stream with the above features

Excel to JSON

Export Excel notes to PDF

Essential XlsIO provides support to export Excel notes to a PDF document that will be displayed similar to the worksheet cells or at the end of the worksheet.

Excel to JSON

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