API GetNumSockets

__NOTOC__
Returns the number of sockets for an item in the socketing window.
==Arguments==
:none
==Returns==
:Sockets
::Number - The number of sockets in the item currently in the item socketing window. If the item socketing window is closed, 0.
==Example==
 local SocketCount = GetNumSockets()
 for i = 1, SocketCount do
 print(GetSocketInfo(i))
 end
==Details==
This function is only useful if the item socketing window is currently visible.