bool UpdateImageMetadata(
	string imageId,
	Metadata metadata,
	string region = null,
	CloudIdentity identity = null
)

Function UpdateImageMetadata ( 
	imageId As String,
	metadata As Metadata,
	Optional region As String = Nothing,
	Optional identity As CloudIdentity = Nothing
) As Boolean

bool UpdateImageMetadata(
	String^ imageId, 
	Metadata^ metadata, 
	String^ region = nullptr, 
	CloudIdentity^ identity = nullptr
)

abstract UpdateImageMetadata : 
        imageId : string * 
        metadata : Metadata * 
        ?region : string * 
        ?identity : CloudIdentity 
(* Defaults:
        let _region = defaultArg region null
        let _identity = defaultArg identity null
*)
-> bool