Spire.Presentation 11.8.2 enhances the conversion from PPTX to PDF
2026-08-06 08:30:26
We’re pleased to announce the release of Spire.Presentation for .NET 11.8.2. This update mainly fixes the issues that occurred when convert PPTX to PDF and SVG. More details are as follows. Here is a list of changes made in this release Category ID Description Bug Fix SPIREPPT-3090 SPIREPPT-3115 Fixed the issue where the content was inconsistent when converting PPTX to PDF. Bug Fix SPIREPPT-3146 Fixed the issue where text content was rendered as <path> tags when converting PPTX to SVG. Bug Fix SPIREPPT-3158 Fixed the issue where the content was incorrect when exporting shapes to SVG in PPTX. Click the…
Spire.Presentation 11.7.6 adds support for VBA modules and macro-enabled files
2026-07-22 07:20:47
We’re pleased to announce the release of Spire.Presentation 11.7.6. This version adds support for saving macro-enabled files and managing VBA modules, including adding and deleting VBA modules. It also fixes an issue where applying multiple licenses failed to take effect. More details are listed below. Here is a list of changes made in this release Category ID Description New Feature SPIREPPT-660 Added the FileFormat.Pptm enumeration type to support saving macro-enabled files. New Feature - Added support for adding VBA modules. Presentation ppt = new Presentation(); // Add VBA project to the document IVbaProject vbaProject = ppt.VbaProject; vbaProject.Name = "SampleVBAMacro"; vbaProject.CodePage…
Spire.Presentation 11.6.11 adds support for exporting formulas as MathML and LaTeX
2026-06-30 07:35:15
We’re pleased to announce the release of Spire.Presentation 11.6.11. This version adds support for exporting formulas as MathML and LaTeX code, making it easier to integrate mathematical expressions into web applications, academic documents, and other workflows. More details are listed below. Here is a list of changes made in this release Category ID Description New Feature - Added support for exporting formulas as MathML and LaTeX code. IAutoShape shapeFormula = slide.Shapes.AppendShape(ShapeType.Rectangle, new RectangleF(40, currentTop, shapeWidth, formulaHeight)); // Insert LaTeX formula TextParagraph formulaPara = shapeFormula.TextFrame.Paragraphs.AddParagraphFromLatexMathCode(latex); // Export as MathML string mathML = formulaPara.ExportMathML(); // Export as LaTeX string LaTex = formulaPara.ExportLaTex();…
Spire.Presentation 11.6.6 adds default font configuration support
2026-06-16 09:56:38
We’re pleased to announce the release of Spire.Presentation 11.6.6. This version adds support for configuring default fonts and fixes several issues related to PowerPoint conversion, including SVG text splitting, PDF chart formatting, shape mapping, text positioning, and image loss. More details are listed below. Here is a list of changes made in this release Category ID Description New Feature SPIREPPT-3044 Added support for configuring default fonts. // Set default fonts Presentation.SetDefaultLatinFontName("Arial"); Presentation.SetDefaultEastAsianFontName("Microsoft YaHei"); // Reset/restore the default font settings Presentation.ResetDefaultEastAsianFontName(); Presentation.ResetDefaultLatinFontName(); Bug Fix SPIREPPT-3117 Fixed an issue where words were split when converting PowerPoint documents to SVG. Bug Fix SPIREPPT-3125…
Spire.Presentation 11.5.1 optimizes the conversion from PowerPoint to PDF
2026-05-13 08:35:59
We're pleased to announce the release of Spire.Presentation 11.5.1. This version optimizes the conversion from PowerPoint to PDF. Meanwhile, some issues that occurred when loading PPT documents, converting shapes to SVG, and retrieving images have also been successfully fixed. More details are listed below. Here is a list of changes made in this release Category ID Description Bug Fix SPIREPPT-3105 Fixes the issue where loading PPT format documents threw an exception. Bug Fix SPIREPPT-3106, SPIREPPT-3119, SPIREPPT-3121, SPIREPPT-3123 Fixes the issue where converting PowerPoint to PDF resulted in incorrect rendering. Bug Fix SPIREPPT-3114 Fixes the issue where shapes became blank when…
Spire.Presentation 11.4.5 adds support for saving PPTX to video
2026-04-23 09:32:38
We’re pleased to announce the release of Spire.Presentation 11.4.5. This version adds support for saving PPTX files to video formats (.mp4/.wmv), along with several bug fixes, including issues related to data label formatting in PDF conversion and shape clipping during PPTX-to-PDF conversion. More details are listed below. Here is a list of changes made in this release Category ID Description New Feature SPIREPPT-3096 Added support for saving PPTX files to video formats (.mp4/.wmv). Note: This feature requires specifying the path to ffmpeg. Presentation ppt = new Presentation(); ppt.LoadFromFile(inputFile); SaveToVideoOption saveOption = new SaveToVideoOption(ffmpegDir); ppt.SaveToVideoOption=saveOption;//Default: 5 seconds per slide. ppt.SaveToFile(outputFile_mp4, FileFormat.MP4);…
Spire.Presentation 11.3.1 optimized the conversion from PowerPoint to PDF
2026-03-18 09:29:02
We're pleased to announce the release of Spire.Presentation 11.3.1. This version optimized the conversion functionality from PowerPoint to PDF. Meanwhile, some issues that occurred when retrieving shape shadows, loading 3D animations, and converting documents have also been successfully fixed. More details are listed below. Here is a list of changes made in this release Category ID Description Bug Fix SPIREPPT-2728 Fixes the issue where shape shadow effects could not be retrieved. Bug Fix SPIREPPT-3072 Fixes the issue where text offset occurred when converting PowerPoint to PDF. Bug Fix SPIREPPT-3081 Fixes the issue where the application threw a "Property not found"…
Spire.Presentation 11.2.1 enhances the conversion from PowerPoint to PDF
2026-02-09 03:32:58
We're glad to announce the release of Spire. Presentation 11.2.1. This version mainly fixes three issues that arose when converting PowerPoint to PDF and SVG. Check below for the details. Here is a list of changes made in this release Category ID Description Bug Fix SPIREPPT-2841 Fixed the issue where rendering effects were inconsistent when converting PowerPoint to SVG. Bug Fix SPIREPPT-3073 Fixed the issue that extraneous log information was generated when converting PowerPoint to PDF. Bug Fix SPIREPPT-3073 Fixed the issue that charts were missing when converting PowerPoint to PDF. Click the link to download Spire.Presentation 11.2.1: https://www.e-iceblue.com/Download/download-presentation-for-net-now.html More…
