ViscomSoft Software

PDF Viewer SDK ActiveX x64 8.5 Released (23, February, 2026)

• added PDFAddStamp method. add Stamps on PDF at specific page, select pre-made 15 Stamp Icon e.g. "Approved" or "Draft" Stamp Icon, color, size, stamp text. 
• PDF stamps are a standard tool used to Approve, Reject, or mark the status of a PDF document in digital workflows.
• added PDFClearStamp method. You can clear the add Stamps.
• fixed PDFFormFieldsIsCheck method cannot return correct checkbox box status for some PDF files.
• fixed PDFFormFieldsSetChecked method cannot set correct checkbox box status for some PDF files.
• Updated VB6, VC , VFP, VB.NET 2010, VB.NET 2019, C# 2010, C#2019 General samples.