public override void OpenFile(
	string filename,
	bool append,
	Encoding encoding
)

Public Overrides Sub OpenFile ( 
	filename As String,
	append As Boolean,
	encoding As Encoding
)

public:
virtual void OpenFile(
	String^ filename, 
	bool append, 
	Encoding^ encoding
) override

abstract OpenFile : 
        filename : string * 
        append : bool * 
        encoding : Encoding -> unit 
override OpenFile : 
        filename : string * 
        append : bool * 
        encoding : Encoding -> unit