Released: Jun 3, 2025

2025.6.2 での更新項目

機能

• Updated IronSoftware.System.Drawing to 2025.6.2.

不具合の修正

• Fixed an issue where the LastFilledCell property incorrectly returned null for worksheets with sparse data.
• Fixed an issue where CreateNamedTable corrupts Excel file when adding tables to different sheets.

Released: May 13, 2025

2025.5.4 での更新項目

機能

• Updated IronSoftware.System.Drawing to 2025.5.3.
• Updated IronSoftware.Common to 2025.3.1.

不具合の修正

• Fixed an issue where Rows.Length returns an incorrect value when used with Excel files containing more than 500 rows.

Released: Apr 8, 2025

2025.4.5 での更新項目

機能

• Updated IronSoftware.System.Drawing to 2025.3.6.
• Updated IronSoftware.Common to version 2025.3.1.

Released: Mar 5, 2025

2025.3.1 での更新項目

機能

• Updated IronSoftware.System.Drawing to 2025.3.5.
• Updated IronSoftware.Common to version 2025.2.3.

Released: Feb 3, 2025

2025.2.5 での更新項目

機能

• Updated IronSoftware.System.Drawing to version 2025.1.6.

Released: Jan 3, 2025

2025.1.1 での更新項目

機能

• Added support for Microsoft .NET 9.0.
• Updated IronSoftware.Common to 2024.11.4.
• Updated dependency packages to address known security vulnerabilities.

不具合の修正

• Fixed an issue where loading and saving .xlsm files threw exceptions.
• Fixed an issue where loading Excel files caused an "equivalent part names" exception.
• Fixed an issue where adding rows broke formulas.
• Fixed an issue where loading Excel files with invalid data validation threw exceptions.
• Fixed an issue where setting the number format...

Released: Dec 3, 2024

2024.12.1 での更新項目

機能

• Added functionality for converting Workbook and Worksheet in different formats as streams.
• Updated IronSoftware.System.Drawing to 2024.12.3.
• Updated IronSoftware.Common to 2024.11.2.
• Improved performance for retrieving cell ranges (5-10x faster for medium to large files).
• Improved formula evaluation by caching the evaluated results.

不具合の修正

• Fixed a null reference exception that occurred when loading certain files.
• Fixed an issue with retrieving date values from formulas.

Released: Nov 11, 2024

2024.11.16 での更新項目

機能

• Updated IronSoftware.System.Drawing to 2024.9.15.
• Updated IronSoftware.Common to 2024.9.38.
• Added support for switching column direction to right-to-left. Useful for languages such as Arabic, Chinese, and Hebrew.
• Added methods for setting tab colors with SetWorksheetTabColor and SetWorksheetTabColorIndex.
• Added the RemoveHyperlink method to remove hyperlinks from cells.

不具合の修正

• Fixed an issue where accessing a cell's hyperlink threw a Null Reference Exception if the cell didn't have one.
• Fixed...

Released: Oct 3, 2024

2024.10.2 での更新項目

機能

• Updated IronSoftware.System.Drawing to version 2024.9.11.

Released: May 2, 2024

2024.5.5 での更新項目

機能

• Updated IronSoftware.System.Drawing to version 2024.5.1.