I'm creating an OpenEdge Progress-4GL application, based on a window, where I like to add a tabpage. In order to do this (as there is no tab page control in the palette), I've tried to add the OCX (ActiveX) control "Microsoft TabStrip Control, version 5.0 (SP2)". However, when I try this I get the following error message: Messagebox title: AB Messagebox content: CtrlFrame Unable to create control. Het licentie bestand voor genoemde ActiveX control is niet gevonden. The last sentence is in Dutch, freely translated it means: "The license file for mention ActiveX control is not found." What should I do in order to be able to add the mentioned ActiveX control to my window? Or, even better: is there a standard "tabpage" control I can use for creating Progress-4GL basic Windows-based applications? Edit after more further investigations In the meantime from the directory C:\Windows\SysWOW64\ I have launched the command regsvr32 comctl32.ocx with following results: Launched as a regular user : the command fails with error number "0x8002801c". This seems to be due to user permissions. Launched as an administrator : the command succeeds but still it seems not to be possible to use the mentioned control. Edit after installation of Visual Studio The problem seems still not to be solved, even after having installed Visual Studio 2019, version 16.8.3. The following components are installed: Workloads : Web & Cloud (4) ASP.Net and web development Python development Desktop & Mobile (5) .NET desktop development Desktop development with C++ Universal Windows Platform development Other Toolsets (6) .Net Core cross-platform development Individual components : Development activities (filtered on "Basic") C# and Visual Basic Apparently the required license is not in the installation. What do I need to add? Continue reading...
