Version 5.0 has been released (13 September 2021 released)

• added Border property , it allow Enable/Disable the 3D Border of the control. Now default is false, it will not show the 3D Border of the control.
• added UnicodeLoadPDFFile method, it support open PDF filename with unicode characters. For VB.NET, C#,VC only.
• fixed the scroll bar will not visible issue if loaded the PDF file, then call Fit Window, then call Zoom in.
• updated C# 2010, VB.NET 2010, C#2019, VB.NET 2019, VC 2010, MS Access 2016 VFP samples. 

Version 4.5 has been released (22 February 2021 released)

• added support page panning with the mouse, scroll by grabbing the page with the left mouse button.
• added IsEncrypted method , Return true if the loaded PDF is password protected.
• added Zoom property, you can control the zoom level of PDF File.
• added EnablePanning property, enable/disable the page panning.
• updated VB6, C# 2010, C#2019, VB.NET 2019 VB.NET 2010, VC, MS Access 2016, VFP samples. 

Version 4.0 has been released (29 March 2020 released)

• added FitWindow method, it can Fit the PDF content to current display area.
• updated SaveBitmaps method that can output better quality of bitmap. Now it will output 96 dpi quality.
• added SaveBitmapsBySize method that can export all pages or specific page  and scale bitmap to specific size.
• added Visual Foxpro sample.
• added C# 2019, VB.NET 2019 samples.
• updated VB6, C# 2010, VB.NET 2010, VC MS Access 2016 samples. 

Version 3.0 has been released (20 January 2019 released)

• added FitWidth method that support Fit the PDF to width of current display area.
• added FitHeight method that support Fit the PDF to height of current display area.
• rewrite the Printing engine. Now it suppprt print large PDF files. Old version cannot print large PDF files, it will have memory issue.
• added support Print a PDF, select Printer, set Page Range, Page Orientation
  programmatically. 
• added support Get the default Printer Name, Get the Count of Printer and Printer Name for specific index.
• added support OnPrint event. You will know how many pages printed and when is finished.
• added PrinterOpenPDF method that support Print a PDF without display it.
• added PrinterClosePDF, PrinterCount, PrinterGetDefaultPrinterName, PrinterGetPageCount, PrinterName, PrinterOpenPDF, PrinterSetPageOrientation, PrinterSetPageRange, PrinterSetPrinterName , PrinterShowPageSetupDlg, PrinterShowPrintDlg methods.
• removed PDFPageNo property.
• fixed open invalid PDF file, it will crash issue.
• updated VB6, VC 2010, C# 2010, VB.NET 2010 samples.
• added C# 2015, VB.NET 2015, MS Access 2016 samples.

Version 2.0 has been released (1 December 2016 released)

• added support rotate at specific degree of PDF.
• added support open protected PDF file.
• added support print specific page of PDF file.
• updated VB6, VC, C#2010, VB.NET 2010 samples.
• added PDFPageNo, RotateAngle, Password properties. 

Version 1.5 has been released (12 March 2013 released)

• fixed printing PDF issue.

Version 1.1 has been released (12 December 2012 released)

• fixed lock previous PDF file even open new PDF file.
• added PDFClose method.
• support on Window 8.

Version 1.0 has been released (08 November 2012 released)

• fast PDF viewer SDK ActiveX