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# self, a reference to the frame to which the script handler belongs | # self, a reference to the frame to which the script handler belongs | ||
# event, the name of the event being fired | # event, the name of the event being fired | ||
# The remaining event arguments are placed within the vararg expression (...), as well as in the arg1-arg9 variables (the | # The remaining event arguments are placed within the vararg expression (...), as well as in the arg1-arg9 variables (the latter mechanic is deprecated and will be removed in Cataclysm<ref name="deprecated">[http://forums.worldofwarcraft.com/thread.html?topicId=25626580975 Preparing for Cataclysm]</ref>). You can extract variables from the vararg expression by simply assigning it to your local variables: <code>local arg1, arg2, arg3 = ...;</code> | ||
The addon's OnEvent script handler function should either handle the event, or call another addon function to handle the event. | The addon's OnEvent script handler function should either handle the event, or call another addon function to handle the event. | ||
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== Notes == | == Notes == | ||
* | * The global this, event, and argX variables are being removed in Cataclysm<ref name="deprecated"/>. Instead, use the arguments passed to the OnEvent script handler. | ||
== Relevant API == | == Relevant API == | ||
* [[API_CreateFrame|CreateFrame]]("widgetType"[, "name"[, parent[, "inherits"]]]) | * [[API_CreateFrame|CreateFrame]]("widgetType"[, "name"[, parent[, "inherits"]]]) | ||
* frame:[[API_Frame_SetScript|SetScript]]("handlerType", func) | * frame:[[API_Frame_SetScript|SetScript]]("handlerType", func) | ||
* frame:[[API_Frame_HookScript|HookScript]]("handlerType", func) | |||
* frame:[[API_Frame_RegisterEvent|RegisterEvent]]("eventName") (and possibly frame:[[API_Frame_RegisterAllEvents|RegisterAllEvents]]() ) | * frame:[[API_Frame_RegisterEvent|RegisterEvent]]("eventName") (and possibly frame:[[API_Frame_RegisterAllEvents|RegisterAllEvents]]() ) | ||
* frame:[[API_Frame_UnregisterEvent|UnregisterEvent]]("eventName") (and possibly frame:[[API_Frame_UnregisterAllEvents|UnregisterAllEvents]]() ) | * frame:[[API_Frame_UnregisterEvent|UnregisterEvent]]("eventName") (and possibly frame:[[API_Frame_UnregisterAllEvents|UnregisterAllEvents]]() ) | ||
* [[Events (API)]], a listing of events you may subscribe to. | * [[Events (API)]], a listing of events you may subscribe to. | ||
== References == | |||
{{reflist}} | |||