API GetNumMacroIcons

__NOTOC__
Returns the number of possible macro icons.
 numIcons = GetNumMacroIcons();
==Returns==
;numIcons : Number - Number of available macro icons.
==Example==
 local numIcons = GetNumMacroIcons()
 for i=1,numIcons do
 DEFAULT_CHAT_FRAME:AddMessage(string.format("Icon %d: %s",i,GetMacroIconInfo(i)));
 end
===Result===
Outputs the IDs and texture names for all available macro icons to the default chat frame.
==Notes==
This function must be called before using GetMacroIconInfo(index) to retrieve texture information.
==Patch changes==
*