Introduction - If you have any usage issues, please Google them yourself
C3 txt text documents on the operation method of a low-level file operations, such as data write or read data byte with 1, the establishment of the file stream object, System.IO.FileStream filestm 2, to open the document, filestm = System.IO . File.Open (Filename, System.IO.FileMode.Append) 3, document operations, filestr.WriteByte (...), Write (...), Read (...), ReadByte (...) 4, document cancellation, filestr.close () method of coding documents specific operation of the second operation System.IO.StreamWriter