Spire.XLS 7.10.86 supports to set Multi-Level Category Labels property for the chart Axis

We are glad to announce that a hotfix of Spire.XLS 7.10.86 is available today. In this new version, Spire.XLS starts to support set Multi-level category labels property for chart Axis and save chart as vector image. We also improved the performance of conversion feature from Excel to PDF and the issue of load and save of the Excel file. View the details as below:
New Feature:
- Supports to set Multi-Level Category Labels property for the chart Axis.
- Supports to save chart as vector image.
chart.PrimaryCategoryAXis.MultiLeaveLable = true;
book.SaveChartAsEmfImage(chartSheet);
Bug solutions:
- Fixes the issue that caused incorrect content when convert Excel to PDF.
- Fixes the issue that caused incorrect formula value when convert Excel to PDF.
- Fixes the issue that caused wrong order of chart series when convert Excel to PDF.
- Fixes the issue that caused custom datalable missing when save chart to image.
- Fixes the issue that caused NullReferenceException when save file.
- Fixes the issue that caused AccessViolationException when load file.
- Fixes the issue that caused ArgumentOutOfRangeException when load xlsm file.
- Fixes the issue that caused unable to remove chart.
- Fixes the issue that caused ArgumentException when insert invalid date into cell.
- Fixes the issue that caused picture missing when fill picture into comment.
Welcome to experience Spire.XLS 7.10.86 with downloading here:
http://www.e-iceblue.com/Download/download-excel-for-net-now.html