ViscomSoft Software

.NET PDF Viewer SDK Pro SDK 4.5 Released (8 June, 2025)

• fixed crash issue when call   _pdf.Zoom =Zoom.FitContent or Zoom.FitPage  after _pdf.Document = doc;
• updated PDF engine. fixed cannot display texts on some PDF version 1.6 or 1.7 files and some text fields cannot display in Fillable PDF file.
• updated DeletePDFPage  method , after deleted the page, it will reduce PDF file size.
• updated SplitPDF method , after split the PDF files.it will reduce the both PDF files size (In old version, if PDF file size is 100MB, after split PDF into two PDF files. The file size remain 100MB for Each PDF file.)
• updated MergePDF method, It will reduces the size of a Merged PDF file for selected the start page and end page.
• added built-in support view TIFF, XPS document, JPEG, PNG image files.