No, you need the TopLevelControl itsself not the backdrop. So its name is QuestTrackerWin.
Inside the lua files there is the function named QuestTracker_QuestTree_OnInitialized
Which is canned as this TopLevelControl gets created.
In there you can call something like QuestTrackerWin:SetDrawTier(DT_...) and :SetDrawLayer(DL_...)e.g.
|