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WoW:API ExpandTrainerSkillLine
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{{wowapi}} Expands a header, showing all spells below it. ExpandTrainerSkillLine(id); ---- ;''Arguments'' :; id : Index of the trainer service header to expand (if the supplied index is not a header, an error is produced). Note that indices are affected by the trainer filter. (See [[API_GetTrainerServiceTypeFilter|GetTrainerServiceTypeFilter]] and [[API_SetTrainerServiceTypeFilter|SetTrainerServiceTypeFilter]].) ---- ;''Example'' Expands all trainer headers. local i, category; for i=1,GetNumTrainerServices() do _ , _, category = GetTrainerServiceInfo(i); if (category == nil) then break; -- GetNumTrainerServices() does not check if you're talking to a trainer or not. end if (category == "header") then ExpandTrainerSkillLine(i); end end
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