Spire.Presentation 3.3.0 supports to group multi-level category labels

We're pleased to announce that Spire.Presentation 3.3.0 is released today. This version adds a new property IsMergeSameLabel to group (two-level) category labels that has the same first-level label, adds a new method DeleteEntry to delete specific legend entry, and fixes a few bugs and exceptions. See more details below.

New Features:

• Adds new property IsMergeSameLabel to group (two-level) category labels that has the same first-level label.
• Adds new method DeleteEntry to delete specific legend entry.

public void DeleteEntry(int index);

Bug Fixes:

• Fixes the issue that caused the unhandled exception 'System.DivideByZeroException' when loading a PowerPoint file.
• Fixes the issue that extra marker was added when adding a custom label to chart.
• Fixes the issue that caused the unhandled exception 'Spire.presentation.DocumentEditException' when deleting a single row of table.