VST 3 Interfaces
VST 3.7
SDK for developing VST plug-in
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Extended host callback interface for an edit controller: Vst::IComponentHandlerBusActivation.
Allows the plug-in to request the host to activate or deactivate a specific bus. If the host accepts this request, it will call later on IComponent::activateBus. This is particularly useful for instruments with more than 1 outputs, where the user could request from the plug-in UI a given output bus activation.