I thought a picture might help. We're discussing pretty complicated issues here. As usual, take this as a suggestion only, extra fodder for the discussion... http://www.synthedit.com/GMPI_Parameters.gif NOTE: The main issue with VST is that communication between Custom GUI and DSP is private. The host really needs to 'see' user-initiated parameter changes, this allows the host to robustly mediate all the possible conflicting parameter changes (automation-tracks, user GUI manipulation, control surface, MIDI CC etc). Best Regards, Jeff
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GMPI_Parameters.gif
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