Aspose.Slides.NET 14.5.0

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Aspose.Slides for .NET 14.5.0 Release Notes
We are pleased to announce the release of Aspose.Slides for .NET 14.5.0. This release includes new functionality and bug fixes.

Using Aspose.Slides for .NET you can work with PPT, PPTX, OpenDocument, and other formats in your applications. You can also view, generate, modify, convert, render and print presentations all without using Microsoft PowerPoint.

Visit the documentation to learn how to get started with Aspose.Slides for .NET.

Note this download contains a fully working version of the product, however without a license set it will run in evaluation mode. To test Aspose.Slides without these evaluation limitations you can request a free 30-day temporary license.

The following is a list of changes in this version of Aspose.Slides.
Major Features

   (SLIDESNET-19279) - Support for creating group shapes

Minor Features

   (SLIDESNET-35379) - Support to determine if Powerpoint presentations are password protected without loading them
   (SLIDESNET-35484) - Add license expiry date checking in export operations
   (SLIDESNET-35247) - Implement slide transitions serialization to PPT
   (SLIDESNET-35246) - Implement audios serialization to PPT

Other Improvements and Changes
Bug Fixes

   (SLIDESNET-35490) - Exception: 'mv' is an undeclared namespace is thrown on opening the presentation file
   (SLIDESNET-35470) - NullReference exception on clonig slide with video
   (SLIDESNET-35468) - KeyNotFound exception on cloning slide
   (SLIDESNET-35447) - Text in the table is distorted after conversion to PDF
   (SLIDESNET-35441) - The Data Point text in the Chart is distorted and very hard to read
   (SLIDESNET-35427) - Layout slide applied differently than PowerPoint in destination presentation for source slide using Aspose.Slides
   (SLIDESNET-35423) - Presentation repair message for Aspose.Slides cloned presentation
   (SLIDESNET-35420) - The presentation generated using Aspose.Slides for .NET 14.4.0 is twice the size of the same in Aspose.Slides for .NET 8.4.0
   (SLIDESNET-35419) - Saving the presentation causes PowerPoint to crash
   (SLIDESNET-35369) - Chart gets distorted when coping slides from one Presentation to the other
   (SLIDESNET-35366) - Images rendering issues, shape distortions
   (SLIDESNET-35330) - TextFrames don't inherit properties of characters from the TextMasterStyleAtoms.
   (SLIDESNET-35329) - Setting the chart category axis direction hide the category axis data
   (SLIDESNET-35294) - Slide comments are not read for PPT presentations
   (SLIDESNET-35283) - Table Layout gets disturbed after saving the PPT file
   (SLIDESNET-35278) - Table Font Changes on saving the presentation file
   (SLIDESNET-35269) - Issue with PPTX to PNG conversion: Chart is not showing in the generated file
   (SLIDESNET-35260) - Setting font related properties for different chart entities does not work
   (SLIDESNET-35254) - Radar chart broken on changing the value
   (SLIDESNET-35250) - Formatting Data Labels doesn't work
   (SLIDESNET-35093) - PPT presentation is corrupted after resaved with Slides
   (SLIDESNET-34952) - Saving PPT to PDF with SaveMetafilesAsPng = false cause System.Runtime.InteropServices.ExternalException
   (SLIDESNET-32609) - SmartArt is improperly rendered in thumbnail
   (SLIDESNET-31989) - Text getting improperly rendered in generated thumbnails
   (SLIDESNET-31866) - Graph missing in Thumbnails

Public API and Backwards Incompatible Changes
Aspose.Slides.IPresentationInfo interface and PresentationInfo class have been added

Represent info about presentation.
Property bool IsEncrypted gets True if a presentation is encrypted, otherwise gets False.
Property LoadFormat LoadFormat gets type of a presentation.
Aspose.Slides.IShape.IsGrouped property had been added

The property Aspose.Slides.IShape.IsGrouped determines whether the shape is grouped.
Aspose.Slides.IShape.ParentGroup property had been added

he property Aspose.Slides.IShape.ParentGroup returns parent GroupShape object if shape is grouped. Otherwise returns null.
Aspose.Slides.IShapeCollection.AddGroupShape() method had been added

The method Aspose.Slides.IShapeCollection.AddGroupShape() creates a new GroupShape and adds it to the end of the collection.
GroupShape frame size and position will be fitted to content when new shape will be added into the GroupShape.
Aspose.Slides.IShapeCollection.Clear() method had been added

The method Aspose.Slides.IShapeCollection.Clear() removes all shapes from the collection.
Aspose.Slides.IShapeCollection.InsertGroupShape(int) method had been added

The method Aspose.Slides.IShapeCollection.InsertGroupShape(int) creates a new GroupShape and inserts it to the collection at the specified index.
GroupShape frame size and position will be fitted to content when new shape will be added into the GroupShape.
Methods IPresentationFactory.GetPresentationInfo(string file), IPresentatoinFactory.GetPresentationInfo(Stream stream) have been added

These methods allow to receive information about a presentaiton file/stream without full presentation loading.
Property IPresentationFactory PresentationFactory.Instance has been added

Allows using the factory functionality without instantiation.
Restrictions had been added for using undefined values for IShape.Frame

Code that attempts to assign undefined frame to IShape.Frame doesn't make sence in general case (particulary in case when parent GroupShape is multiple nested into other GroupShape-s). For example:
IShape shape = ...; shape.Frame = new ShapeFrame(float.NaN, float.NaN, float.NaN, float.NaN, NullableBool.NotDefined, NullableBool.NotDefined, float.NaN); or

slide.Shapes.AddAutoShape(ShapeType.RoundCornerRectangle, float.NaN, float.NaN, float.NaN, float.NaN);

Such code can lead to unclear situations. So restrictions had been added for using undefined values for IShape.Frame. Values of x, y, width, height, flipH, flipV and rotationAngle must be defined (not float.NaN or NullableBool.NotDefined). Example code above now throws ArgumentException exception.
This applies to these use cases:

IShape shape = ...;
shape.Frame = ...; // cannot be undefined

IShapeCollection shapes = ...;
// x, y, width, height parameters cannot be float.NaN:
{
   shapes.AddAudioFrameCD(...);
   shapes.AddAudioFrameEmbedded(...);
   shapes.AddAudioFrameLinked(...);
   shapes.AddAutoShape(...);
   shapes.AddChart(...);
   shapes.AddConnector(...);
   shapes.AddOleObjectFrame(...);
   shapes.AddPictureFrame(...);
   shapes.AddSmartArt(...);
   shapes.AddTable(...);
   shapes.AddVideoFrame(...);
   shapes.InsertAudioFrameEmbedded(...);
   shapes.InsertAudioFrameLinked(...);
   shapes.InsertAutoShape(...);
   shapes.InsertChart(...);
   shapes.InsertConnector(...);
   shapes.InsertOleObjectFrame(...);
   shapes.InsertPictureFrame(...);
   shapes.InsertTable(...);
   shapes.InsertVideoFrame(...);
}

But IShape.RawFrame frame properties can be undefined. This make sence when shape is linked to placeholder. Then undefined shape frame values is overridden from the parent placeholder shape. If there is no parent placeholder shape for that shape then that shape uses default values when it evaluates effective frame based on its IShape.RawFrame. Default values are 0 and NullableBool.False for x, y, width, height, flipH, flipV and rotationAngle. For example:

IShape shape = ...; // shape is linked to placeholder
shape.RawFrame = new ShapeFrame(float.NaN, float.NaN, 100, float.NaN, NullableBool.NotDefined, NullableBool.NotDefined, 0);
// now shape inherits x, y, height, flipH, flipV values form placeholder and overrides width=100 and rotationAngle=0.

Type and name of the Aspose.Slides.IShapeCollection.Parent property has been changed

Type of the Aspose.Slides.IShapeCollection.Parent property has been changed from ISlideComponent to new IGroupShape interface. IGroupShape interface is the descendant of the ISlideComponent so user code needs no adaptations.
Name of the Aspose.Slides.IShapeCollection.Parent property has been changed from Parent to ParentGroup.
Type of the Aspose.Slides.IShapeFrame.FlipH, .FlipV properties has been changed

Type of the Aspose.Slides.IShapeFrame.FlipH property has been changed from bool to NullableBool.
IShape.Frame property return effective instace of IShapeFrame (all of which properties have defined effective values).
IShape.RawFrame property return IShapeFrame instace of which each property can have undefined value (particularly FlipH or FlipV can have value NullableBool.NotDefined)