Spire.XLS 9.4.6 supports to customize the font file path

We are pleased to announce that Spire.XLS 9.4.6 is released today. This version adds a new property to customize font the file paths. Besides, the time of creating chart and the speed of copying worksheets are optimized and some issues that occurred when converting excel to image and PDF, copying worksheet and calculating the formulas are fixed. See the content below for more details.

New Features:

• Adds CustomFontFilePaths property to set the font files that are not installed on the computer.

workbook.CustomFontFilePaths = new string[] { inputFontfile };

Optimizations:

• Optimizes the time of creating a chart when setting a larger chart data range.
• Optimizes the speed of copying worksheets.

Bug Fixes:

• Fixes the issue that the content was lost when converting an .xlsx document to images.
• Fixes the issue that the application threw an error "don't set the object reference to the object instance" when copying a sheet containing a chart.
• Fixes the issue that the application threw an error "cannot find the required relation" when loading an .xlsx document.
• Fixes the issue that the content was lost when converting an .xlsx document generated by NPOI to PDF.
• Fixes the issue that the application threw an error "don't set the object reference to the object instance" when calculating the formulas using CalculateAllValue method.