public void Open(
	string fileName,
	[OptionalAttribute] TextOpenSave mode,
	[OptionalAttribute] TextOpenFlags flags,
	[OptionalAttribute] int codePage
)

Public Sub Open ( 
	fileName As String,
	<OptionalAttribute> mode As TextOpenSave,
	<OptionalAttribute> flags As TextOpenFlags,
	<OptionalAttribute> codePage As Integer
)

public:
void Open(
	String^ fileName, 
	[OptionalAttribute] TextOpenSave mode, 
	[OptionalAttribute] TextOpenFlags flags, 
	[OptionalAttribute] int codePage
)