Spire.XLS 7.11.1 supports to add Oval shape in chart

We are glad to announce that a hotfix version of Spire.XLS 7.11.1 is available today. On this new version of Spire.XLS, our develop team add a new feature to add Oval shape in chart. We are also fixing bugs on this version, especially for Excel to PDF conversion. View the details as below:
New Feature:
- Supports to add Oval shape in chart
var shape=chart.Shapes.AddOval(left,top,right,bottowm);
Bug solutions:
- Fixes the issue where chart labels were not visible when chart is saved as image or when workbook is saved as pdf.
- Fixes the issue that caused the extra blank page when convert to PDF.
- Resolves the issue that caused the chart lost when convert to PDF.
- Fixes the issue that caused AutoFitColumns/AutoFitRows method throwing ArgumentOutOfRangeException.
Welcome to experience Spire.XLS 7.11.1 with downloading here:
http://www.e-iceblue.com/Download/download-excel-for-net-now.html