GroupDocs.Metadata for .NET provides functionality that allows working with different kinds of presentations such as PPT, PPTX, POTM, POTX, etc. For the full list of supported presentation formats please refer to Supported Document Formats.
Detecting the exact type of a presentation The following sample of code will help you to detect the exact type of a loaded presentation and extract some additional file format information.
Load a presentation Extract the root metadata package Use the FileType property to obtain file format information AdvancedUsage.... Set ( "customProperty2" , 123.1 ); metadata . Save ( Constants...