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::IProgress.
Allows the plug-in to request the host to create a progress for some specific tasks which take some time. The host can visualize the progress as read-only UI elements. For example, after loading a project where a plug-in needs to load extra data (e.g. samples) in a background thread, this enables the host to get and visualize the current status of the loading progress and to inform the user when the loading is finished. Note: During the progress, the host can unload the plug-in at any time. Make sure that the plug-in supports this use case.