This section describes how to upgrade from ThumbnailXpress 4 to ThumbnailXpress 5. While generally you'll be able to replace ThumbnailXpress 4 with ThumbnailXpress 5, there are a few important changes you may need to consider. This section provides information about those changes.

New API

• AccessPdfXpress() has been added to the Licensing class.
• SetPDFXSolutionName(), SetPDFXSolutionKey(), and SetPDFXOEMLicenseKey() have been added to the Licensing class; these should be used to License PDF Xpress 5.
• UsePdfXpressForPDFsOnly has been added to the Licensing class. 

Deprecated or Removed API

• AccessPdfXpress4() of the Licensing class is now deprecated; please use AccessPdfXpress() instead.
• UnlockPdfXpressRuntime() of the Licensing class is now deprecated; it should only be used when using PDF Xpress 4.
• AccessPDFXpress3() of the Licensing class has been removed; it was marked deprecated in ThumbnailXpress 4.
• The ThumbnailCache class has been removed; it was marked deprecated in ThumbnailXpress 4.
• The ThumbnailCache property of the ThumbnailXpress class has been removed; it was marked deprecated in ThumbnailXpress 4.
• The Hdib and Hbitmap properties of the ThumbnailItem class have been removed; they were marked deprecated in ThumbnailXpress 4.

If you encounter any porting issues, please contact support@accusoft.com for assistance.