Hi Herve,
The Crystal .NET API takes some extra steps when loading a report, such as trying to locate any associated printer, which is often unavailable. I've outlined steps that can be taken to decrease the time it takes to load a report and to process it; please see the following: http://community.saleslogix.com/t5/Developer-LAN-Mobile-Visual/Saleslogix-v8-1-0-and-Custom-Crystal-...
Thanks
Mike
