Aspose.Slides for .NET 21.8 Release Notes

Public API Changes

Packaging Changes

Starting with Aspose Slides for .NET 21.9, we will change the release installation packages layout.

Aspose Slides for .NET NuGet package will contain these assemblies:

• .NETFramework 2.0
• .NETFramework 4.0
• .NETStandard 2.0
• .NET 5
• MonoAndroid 9.0

The MSI and zip packages at Aspose Downloads will contain

• .NETFramework 2.0
• .NETFramework 3.5 (+ClientProfile)
• .NETFramework 4.0 (+ClientProfile)
• .NETStandard 2.0
• .NETStandard 2.1
• .NET 5
• MonoAndroid 9.0

Support for exporting or converting presentations to animated GIF

We implemented support for converting presentations to animated GIF export. Using this new functionality, you can export a presentation into an animated GIF with slides changes and even animated transitions:

using (Presentation pres = new Presentation("pres.pptx"))
{
    pres.Save("pres.gif", SaveFormat.Gif, new GifOptions
    {
        FrameSize = new Size(180, 135), // the size of the resulted GIF  
        DefaultDelay = 2500, // how long each slide will be showed until it will be changed to the next one
        TransitionFps = 12 // increase FPS to better transition animation quality
    });
}

Export result:

IChartDataWorkbook.CalculateFormulas and ChartDataWorkbook.CalculateFormulas methods have been added

IChartDataWorkbook.CalulateFormulas and ChartDataWorkbook.CalulateFormulas methods have been added. With these methods, you can perform calculations with explicit formulas within a workbook. The operation is executed in two steps:

• Check for unsupported formulas within the entire workbook: If unsupported formulas are found, CellUnsupportedDataException will be thrown—and values will not be updated.
• Formula calculations and updating: If unsupported formulas are not found, the formulas will be calculated for the workbook—and cells values will be updated.

Cells and their formulas no longer reset when new values are set. Values too are no longer recalculated when new formulas are set.