Once ActiveReports 11 is installed on your system, it becomes the primary report designer. This means that when Visual Studio opens one of our proprietary file types, RPX or RDLX, it uses the ActiveReports 11 version of the following Visual Studio integrated features:
In ActiveReports, ReportDesigner.Switcher tool allows you to change packages which are registered in Visual Studio. You can change between ActiveReports 10 and ActiveReports 11 for the RPX designer and the RDLX designer.
Tip: You can still access some of the integrated features even if they are hidden.
In order to work with ActiveReports 10 RPX reports, you must run the Switcher tool and change the Primary RPX designer to ActiveReports 10. If you don't, the reports open in the ActiveReports 11 designer, and the toolbar does not work. Switching between ActiveReports 10 and ActiveReports 11
Similarly, in order to work with RDLX reports, you must run the Switcher tool and choose the radio button for Primary RDLX designer.