Syncfusion Essential Studio Windows Forms(英語版)

WinFormsのUIコントロールを多数収録したパッケージ

Syncfusion 社の製品
2002 年より日本国内にてComponentSourceで販売中。

バージョン: 2026 Volume 1 SP1 (33.2.15) 新機能 更新日: Jun 23, 2026 レビューの平均スコア: 5.00レビューの平均スコア: 5.00レビューの平均スコア: 5.00レビューの平均スコア: 5.00レビューの平均スコア: 5.00 (4)

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Please note that new Timed Subscription Licenses for Syncfusion Essential Studio Windows Forms are available as part of Syncfusion Essential Studio Enterprise.

Syncfusion Essential Studio Windows Forms のリリース

Released: Apr 29, 2025

2025 Volume 1 (29.1.40) での更新項目

不具合の修正

  • DocIO
    • Hanging issues will no longer occur while converting a Word document with tabs to PDF.
    • XML mapping for rich text content control is now preserved properly while resaving DOCX document.
  • PDF
    • Resolved the issue where an exception occurs when loading the accessibility level PDF document in the PAC tool.
    • Fixed the problem where an exception occurs while accessing the destination from the form field.
    • Resolved the issue of overlapping PDF grid rows when AllowHorizontalOverflow is set to...

Released: Apr 22, 2025

2025 Volume 1 (29.1.39) での更新項目

不具合の修正

  • DocIO
    • The document will no longer be corrupted when resaving a DOCX file with culture-specific formatting.
  • PDF
    • Fixed an issue that occurred when loading an existing corrupted document.
    • Resolved a problem that caused the application to hang while drawing the PDF grid.
    • Addressed an out of memory exception that occurred when importing a page to a PDF document from a loaded document.
    • Corrected inaccuracies returned by the Document Analyzer when loading a PDF that contains annotations.
    • Fixed a...

Released: Apr 15, 2025

2025 Volume 1 (29.1.38) での更新項目

不具合の修正

  • Calculate
    • The IF formula now returns the correct result when its logical test includes a cell range where the IF function is used as an inner function within the TEXTJOIN formula.
    • Now, the MATCH function returns the correct calculated value during Excel to PDF conversion.
  • DocIO
    • The NullReferenceException will no longer be thrown while converting a Word document with summation equation to PDF.
    • Nested table is now preserved properly while converting DOCX to PDF.
    • Performance improved while...

Released: Apr 8, 2025

2025 Volume 1 (29.1.37) での更新項目

機能

  • Calculate
    • Performance of 'ExcelToPdf' conversion has improved when performing a conversion by calling the CalcEngine.EnableSheetCalculation method.
    • The performance for SUM and COUNTIF formulas when processing millions of cells has improved 30 minutes to 24 seconds.

不具合の修正

  • Calculate
    • Now, DisplayText and CalculatedValue return the correct values when retrieving the value of a text-type cell based on the HasFormulaStringValue condition.
    • DateTime values are now accurately rounded and evaluated...

Released: Apr 1, 2025

2025 Volume 1 (29.1.35) での更新項目

不具合の修正

  • Calculate
    • String comparison now works properly in LOOKUP formula calculations when the lookup value is a string.
  • DocIO
    • Text surround with braces is now found properly after calling FindSingleLine API.
    • Hanging issues will no longer occur while converting a Word document to PDF.
    • The ArgumentOutOfRangeException will no longer be thrown while opening a HTML document.
    • Extra row will no longer be added in table while converting DOCX to HTML.
    • Reduced HTML processing time while calling AppendHTML...

Released: Mar 25, 2025

2025 Volume 1 (29.1.33) での更新項目

機能

  • Common
    • Improved WinForms Designer for .NET 8 and higher - In this release, the WinForms designer has been improved for .NET 8 and .NET 9, making it easier to design and configure controls. This update resolves design-time issues from earlier .NET versions using the new out-of-process designer model, ensuring a smoother experience similar to the .NET Framework.
  • Excel Library
    • Performance improvements - The Syncfusion Excel Library is now significantly faster when creating, reading, and saving...

Released: Mar 19, 2025

2024 Volume 4 SP1 (28.2.12) での更新項目

機能

  • SfForm
    • Breaking Change - The DefaultStyle property was considered unnecessary and removed from the property window. The SfForm can be customized using the Style property in the property window.

不具合の修正

  • Calculate
    • The performance improvement changes that caused crashes during formula parsing and led to incorrect calculations in the Calculate function have been fixed.

Released: Mar 11, 2025

2024 Volume 4 SP1 (28.2.11) での更新項目

不具合の修正

  • DocIO
    • Child group shape is now preserved properly while creating a document from scratch.
    • Table is now preserved properly while converting DOCX document to PDF.
    • Hanging issue will no longer occur while converting a DOC file contains negative cell spacing in table to PDF.
    • Text inside a cell with decimal tab is now aligned properly while converting a Word document to PDF.
    • Paragraph is now positioned properly when previous paragraph is in frame while converting a Word to PDF.
    • Underline is...

Released: Feb 25, 2025

2024 Volume 4 SP1 (28.2.7) での更新項目

不具合の修正

  • DocIO
    • Page break before is now applied properly to the paragraph while converting a Word document to PDF.
    • Image is now preserved properly while converting a Word to PDF with frame.
    • Textbox within group shape is now preserved properly while converting DOCX to PDF.
    • RTL text is now reordered properly in Word to PDF conversion based on the bidirectional tag.
    • Nested table border is now preserved properly while converting a Word document to PDF.
    • Table height is now preserved properly while...

Released: Feb 18, 2025

2024 Volume 4 SP1 (28.2.6) での更新項目

不具合の修正

  • DocIO
    • The NullReferenceException will no longer be thrown while opening a DOCX document.
    • TrackChanges options will no longer be enabled improperly while resaving DOCX document.
    • The System.Globalization.CultureNotFoundException will no longer be thrown while opening a DOCX document.
    • Hyperlink is now preserved properly while resaving a DOCX document.
    • Table cell padding is now preserved properly while resaving a DOCX document.
    • Reference field is now updated properly after calling the...