API KBSetup BeginLoading

__NOTOC__
Starts the loading of articles.
 KBSetup_BeginLoading(articlesPerPage, currentPage)
==Parameters==
===Arguments===
:(articlesPerPage, currentPage)
:;articlesPerPage: - Number of articles shown on one page.
:;currentPage: - The current page (starts at 1).
===Returns===
:;nil
==Example==
In KnowledgeBaseFrame_OnShow():
 KBSetup_BeginLoading(KBASE_NUM_ARTICLES_PER_PAGE, KBASE_CURRENT_PAGE)
From Blizzard's KnowledgeBaseFrame.lua (l. 51)
==Details==
* This will start the article loading process and return immediately. 
* When all articles are loaded the event KNOWLEDGE_BASE_SETUP_LOAD_SUCCESS is fired.
* If an error occurs in the loading process, the event KNOWLEDGE_BASE_SETUP_LOAD_FAILURE is fired.