With the release of GroupDoCs.Conversion for .NET v19.11 you Can now monitor doCument Conversion progress and status using C#. There are way many Conversions supported by the API, that are listed in the doCumentation.
A new property Listener is added. The doCument Converter listener implementation is used for monitoring Conversion status and progress. Have a look at ConverterListener Class that implements IConverterListenerinterfaCe
Below is the usage
Coming to the improvement, MPP to XLS Conversion is improved....conversion progress and status using C# . There are way many conversions...