Sigurd Stenersen wrote: > Is it at all possible to modify the number of features in the feature tree, > from a DLL or using some sort of action ? > > I'm able to set the state of features, but I would like to present users > with different trees depending on selections made in a previous dialog. > > Functionally, this is similar to using a condition to set the feature's > level, except I want to be able to do this according to user input. And it > seems that by the time the user is allowed to enter anything the conditions > in the feature tree have already been evaluated. > Feature conditions are evaluated during the CostFinalize action, which comes well before most UI. Off the top of my head, I can't think of an easy way to do what you want. The feature selection tree doesn't really offer customization beyond what's documented. Unless a feature's install level is 0 (or it's specifically hidden by its attributes), the selection tree shows it. You might want to consider custom feature-selection dialogs instead. From there, you can publish Remove and AddLocal control events to exactly control which features get installed.
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