System::IO::FileMode enum

FileMode enum

Specifies how a file should be opened.

enum class FileMode

Name	Value	Description
CreateNew	1	Create a new file. If the file already exists, an exception is thrown.
Create	2	Create a new file. If the file already exists, it is overwritten.
Open	3	Open an existing file. If the file does not exist, an exception is thrown.
OpenOrCreate	4	Open an existing file or create a new one if it does not exist.
Truncate	5	Open an existing file and truncate it so that it is empty. If the file does not exist, an exception is thrown.
Append	6	Open an existing file and seek to the end of it or create a new one if it does not exist.