GV_OPΒΆ

GV_OP_NOP Ignore.
GV_OP_SET Set the internal value to the parameter value. (The constant node uses this.)
GV_OP_DROP An atom has been dropped over the node.
GV_OP_DROP_IN_BODY An atom has been dropped over the body of the node.
GV_OP_DROP_IN_INDOCK An atom has been dropped in the inport area of the node.
GV_OP_DROP_IN_OUTDOCK An atom has been dropped in the outport area of the node.