public string ExportToCsv(
	string filename,
	string[][] data,
	string[] colTypes,
	string key
)

Public Function ExportToCsv ( 
	filename As String,
	data As String()(),
	colTypes As String(),
	key As String
) As String

public:
virtual String^ ExportToCsv(
	String^ filename, 
	array<array<String^>^>^ data, 
	array<String^>^ colTypes, 
	String^ key
) sealed