Multiple versions of Office Primary Interop Assemblies in .NET project
问题 I'm using Office Primary Interop Assemblies to control PowerPoint from my WPF app. Currently I'm using PIA v14 in my project and it works with both Office 2010 and Office 2013 without problems. But I need to add support also for Office 2007 (when I tested my app on computer with Office 2007, it didn't work). So, my question is: Should I change my referenced PIA in project to the v12 (to support Office 2007/2010/2013) or it is possible to add both v12 and v14 (maybe also v15) PIAs to the