public delegate void Action<TInput1, TInput2>(
	TInput1 o1,
	TInput2 o2
)

Public Delegate Sub Action(Of TInput1, TInput2) ( _
	o1 As TInput1, _
	o2 As TInput2 _
)

generic<typename TInput1, typename TInput2>
public delegate void Action(
	TInput1 o1, 
	TInput2 o2
)