Syncfusion Essential Studio PDF Viewer SDK（英語版）

Web、デスクトップ、モバイルプラットフォーム全体でPDFの表示、注釈、フォーム入力、署名が可能

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 (33.1.47) 新機能 更新日: Apr 7, 2026

Syncfusion Essential Studio PDF Viewer SDK（英語版） のスクリーンショット

Syncfusion Essential Studio PDF Viewer SDK 2025 Volume 3 SP2 (31.2.18)

Released: Dec 9, 2025

2025 Volume 3 SP2 (31.2.18) での更新項目

不具合の修正

  • Web PDF Viewer (JavaScript, Angular, React, Vue, ASP.NET Core & MVC)
    • Resolved an issue where free text justify alignment was not working properly.
    • Resolved an issue where the post button was enabled even after clearing the text in comment panel.
    • Resolved an issue where the free text border overlapped with text when changing the thickness.
    • Resolved an issue where annotation toolbar items were not visible when enableDesktop API was set to true on devices with smaller widths.
    • Resolved an issue where the comment panel did not open on double-click when the enableDesktop API was set to true on smaller-width devices.
    • Resolved an issue where free text annotation color changed to black in the downloaded document when fillColor in freeTextSettings was set to transparent.
  • WPF PDF Viewer
    • Last Character Missing will no longer be thrown When Copying RTL Text.
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