2026 v1

C1.DataCollection

Improvements

• Added the ClearCache method to C1CacheDataCollection and C1ConvertDataCollection.

• Updated the Microsoft.WindowsAppSDK NuGet dependency to version 1.7.251014001.

• Updated assembly references.

C1.DataConnector

Bug fixes

• Fixed an issue where using C1 controls in C++/CLI applications caused errors.

C1.DataEngine

Bug fixes

• Fixed an issue where using C1 controls in C++/CLI applications caused errors.

C1.Excel

Improvements

• Added support for parsing XLImage objects, including bitmap, EMF, and SVG images, from Open XML files.

• Added support for saving XLImage objects, including bitmap, EMF, and SVG images, to Open XML files.

• Added support for converting EMF files using IRendering (SVG).

Bug fixes

• Fixed an issue where images in table cells were misaligned when loading specific Excel files in the ExcelViewerWin sample.

• Fixed an issue where JPEG images added using the XLPictureShape() method rendered with incorrect sizes in exported Excel files.

C1.Pdf

Improvements

• Added improved HTML rendering for SVG, PDF, DOCX, and RTF output formats.

• Added underline rendering in Open XML output that matches RTF output.

Bug fixes

• Fixed an issue where exported PDF documents appeared blank when generated from specific EMF images using DrawImage().

• Fixed an issue where DrawStringHtml() ignored RectangleF boundaries and overwrote footer content when rendering tables.

• Fixed an issue where content was repeated across page breaks when rendering RTF content to PDF.

• Fixed an issue where the TimesNewRomanPSMT font was embedded incorrectly in exported PDF documents.

• Fixed an issue where RTF content rendered with incorrect line wrapping and text layout when exported to PDF.

• Fixed an issue where tables rendered incorrectly when converting RTF content to PDF.

• Fixed an issue where charts rendered outside the specified rectangle bounds when metafiles were exported to PDF using DrawImage().

  Fixed an issue where background colors appeared inside text when converting specific HTML files to PDF using DrawStringHtml().

• Fixed an issue where merged-cell text did not display when converting specific HTML files to PDF using DrawStringHtml().

• Fixed an issue where font styles changed when converting HTML files to DOCX documents using DrawStringHtml().

• Fixed an issue where table cell widths rendered incorrectly in DOCX files created with RtfTable in C1WordDocument.

• Fixed an issue where ellipse and rectangle graphics did not appear in exported DOCX files.

• Fixed an issue where bullet list widths rendered incorrectly after read and write operations with C1WordDocument.

• Fixed an issue where tables were not displayed after read and write operations on specific RTF documents using C1WordDocument.

• Fixed an issue where fonts were not persistent in DOCX files after read and write operations using C1WordDocument.

ScheduleCore

Bug fixes

• Fixed an issue where using C1 controls in C++/CLI applications caused errors

C1.TextParser

Bug fixes

• Fixed an issue where using C1 controls in C++/CLI applications caused errors.