public bool TryGet(
	TKey1 key1,
	out TKey2 key2
)

Public Function TryGet ( 
	key1 As TKey1,
	<OutAttribute> ByRef key2 As TKey2
) As Boolean

public:
bool TryGet(
	TKey1 key1, 
	[OutAttribute] TKey2% key2
)

member TryGet : 
        key1 : 'TKey1 * 
        key2 : 'TKey2 byref -> bool