control windows 7 taskbar grouping for my application

Question

My program needs to open a series of information windows when requested by a user, and would like to implement some kind of custom grouping on the windows 7 taskbar.

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Answer 1

I solved it by using the Windows API Code Pack for .NET and the following code:

TaskbarManager.Instance.SetApplicationIdForSpecificWindow(window, guid);

Window assigned with the same id will be grouped together - windows with a unique id will have a separate taskbar icon.

Answer 2

Application User Model IDs says:

"If different windows owned by one process require different AppUserModelIDs to control taskbar grouping, use SHGetPropertyStoreForWindow to retrieve the window's property store and set the AppUserModelID as a window property."