The FileMode and FileAccess : FileStream « File Directory Stream « C# / CSharp Tutorial

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C# / CSharp Tutorial » File Directory Stream » FileStream   15. 19. 1. The FileMode and FileAccess Value Description FileMode.Append append to the end of file. FileMode.Create create a new output file. Any preexisting file by the same name will be destroyed. FileMode.CreateNew create a new output file. The file must not already exist. FileMode.Open open a preexisting file. FileMode.OpenOrCreate open a file if it exists, or create the file if it does not already exist. FileMode.Truncate open a preexisting file, but reduce its length to zero. If you want to restrict access to just reading or just writing, use this constructor:       FileStream(string filename, FileMode mode, FileAccess how)    'how' determines how the file can be accessed. 'how' must be one of: FileAccess.Read FileAccess.Write FileAccess.ReadWrite 15. 19. FileStream 15. 19. 1.  The FileMode and FileAccess 15. 19. 2.  Open a file with exception handling 15. 19. 3.  Demonstrate random access file 15. 19. 4.  Read every other value using FileSeek 15. 19. 5.  Open an existing file 15. 19. 6.  Read file stream on a per byte basis 15. 19. 7.  Read file stream as an array of bytes 15. 19. 8.  Write data to file through FileStream per byte 15. 19. 9.  Write data to file through FileStream via an array 15. 19. 10.  Reset internal position for a FileStream 15. 19. 11.  Write/read bytes using FileStream 15. 19. 12.  Use FileStream to read a file selected from OpenFileDialog 15. 19. 13.  Use FileStream to read a file byte by byte 15. 19. 14.  Use FileStream to write/read a file byte by byte

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