Version-Specific UI in Add-ins

Continuing on from my earlier posts on building add-ins for multiple versions of Office, avoiding the PIA version conflict, and add-ins for multiple versions without PIAs, a reasonable way to design your solution would be to use the lowest-common-denominator PIAs (let’s say, the Office 2003 PIAs) and then use ComImports for any additional features introduced…

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Add-ins for Multiple Office Versions without PIAs (Pt2), or _VtblGap

In my last post, I discussed how you could avoid any dependency on the Office PIAs by using ComImport to redefine the host application’s OM interfaces. Someone (A Developer) pointed out that I had actually omitted the trailing 2 members of the IRibbonControl interface – and I mentioned that this wouldn’t stop the code working….

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Add-ins for Multiple Office Versions without PIAs

In a previous post, I discussed how you could build an add-in for multiple versions of Office, and explained the problems in this approach (and why it is not officially supported). One of the reasons this is not supported is because you end up building an add-in which has dependencies on a later version of…

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