Version 3.1 (18 September 2019 released)

• updated the installer will installing Free Powerpoint viewer.
• added VS 2019 VB.NET, VS 2019 C# samples.

Version 3.0 (21 August 2016 released)

• added get the total number of slides and current slide number.
• updated VB.NET 2015, VB.NET 2010, VB6 , C# 2015, C# 2010, Visual Foxpro samples.

Version 2.0 (20 February 2016 released)

• redesign the engine, now it can display PowerPoint without installed MS Office. Just need installed MS Free PowerPoint Viewer.
• added VB.NET 2015, VB.NET 2010, VB6 , C# 2015, C# 2010, Delphi, Visual Foxpro samples.
• Support Unicode PowerPoint files.

Version 1.5 (3 March 2008 released)