public virtual bool Open(
	string fileName,
	FileStorageMode flags,
	string encoding = null
)

Public Overridable Function Open ( 
	fileName As String,
	flags As FileStorageMode,
	Optional encoding As String = Nothing
) As Boolean

public:
virtual bool Open(
	String^ fileName, 
	FileStorageMode flags, 
	String^ encoding = nullptr
)

abstract Open : 
        fileName : string * 
        flags : FileStorageMode * 
        ?encoding : string 
(* Defaults:
        let _encoding = defaultArg encoding null
*)
-> bool 
override Open : 
        fileName : string * 
        flags : FileStorageMode * 
        ?encoding : string 
(* Defaults:
        let _encoding = defaultArg encoding null
*)
-> bool