Spire.Presentation 2.9 supports to manipulate error bars of chart on Presentation slides

We are glad to announce that the latest release version of Spire.Presentation 2.9 is available today. In this version, Spire.Presentation supports to manipulate error bars of chart on presentation slides. It also adds a property to get/set if Category Axis has Multi-level Category Lables. We also fix two bugs when operating the presentation slides. View the details as below:

New features:

• Supports to manipulate error bars of chart.
• Adds HasMultiLvlLbl property to get/set if Category Axis has Multi-level Category Lables.

Bug Solutions:

• Fixes the issue that the LeaderLinesVisible property setting didn't work.
• Fixes the issue that only the first 10 series was displayed in legend area when series count is more than 10.