public IEnumerable<HidDevice> GetHidDevices(
	Nullable<int> vendorID = null,
	Nullable<int> productID = null,
	Nullable<int> releaseNumberBcd = null,
	string serialNumber = null
)

Public Function GetHidDevices ( 
	Optional vendorID As Nullable(Of Integer) = Nothing,
	Optional productID As Nullable(Of Integer) = Nothing,
	Optional releaseNumberBcd As Nullable(Of Integer) = Nothing,
	Optional serialNumber As String = Nothing
) As IEnumerable(Of HidDevice)

public:
IEnumerable<HidDevice^>^ GetHidDevices(
	Nullable<int> vendorID = nullptr, 
	Nullable<int> productID = nullptr, 
	Nullable<int> releaseNumberBcd = nullptr, 
	String^ serialNumber = nullptr
)

member GetHidDevices : 
        ?vendorID : Nullable<int> * 
        ?productID : Nullable<int> * 
        ?releaseNumberBcd : Nullable<int> * 
        ?serialNumber : string 
(* Defaults:
        let _vendorID = defaultArg vendorID null
        let _productID = defaultArg productID null
        let _releaseNumberBcd = defaultArg releaseNumberBcd null
        let _serialNumber = defaultArg serialNumber null
*)
-> IEnumerable<HidDevice>