Spire.Presentation 3.6.9 supports to group shapes

We're pleased to announce that Spire.Presentation hotfix version 3.6.9 is released today. This version adds a new method "GroupShapes" to support to group shapes, and adds a new property "IsHidden" to support to hide the series of chart. Moreover, it also fixes a few issues occurring when converting and operating PPT files. The complete list of new features and bug fixes is given below.

New features:

• Add a property IsHidden to hide the series of a chart.

series.IsHidden = true;

• Add a new method GroupShapes to group shapes.

ppt.Slides[0].GroupShapes(shapeList);

Bug Fixes:

• Fixes the issue that there was an extra character "-" when converting PPT to PDF.
• Fixes the issue that the chart was missing and the position of the yellow punctuation was wrong when converting PPT to PDF.
• Fixes the issue that there was a blue border after saving PPT.
• Fixes the issue that the default font of chart legend cannot be obtained when the legend didn't set any font.
• Fixes the issue that caused DocumentUnkownFormatException when loading a file.