Method Open

Opens a Stream on the specified path with read/write access with no sharing.

public static Stream Open(string path, FileMode mode)

path string: The file to open.
mode FileMode: A FileMode value that specifies whether a file is created if one does not exist. Also determines whether the contents of existing file is retained or overwritten.

Stream: A Stream opened in the specified mode and path, with read/write access and not shared.

Opens a Stream on the specified path, with the specified mode and access with no sharing.

public static Stream Open(string path, FileMode mode, FileAccess access)

path string: The file to open.
mode FileMode: A FileMode value that specifies whether a file is created if one does not exist. Also determines whether the contents of existing file is retained or overwritten.
access FileAccess: A FileAccess value that specifies the operations that can be performed on the file.

Opens a Stream on the specified path, having the specified mode with read, write, or read/write access and the specified sharing option.

public static Stream Open(string path, FileMode mode, FileAccess access, FileShare share)

path string: The file to open.
mode FileMode: A FileMode value that specifies whether a file is created if one does not exist. Also determines whether the contents of existing file is retained or overwritten.
access FileAccess: A FileAccess value that specifies the operations that can be performed on the file.
share FileShare: A FileShare value specifying the type of access other threads have to the file.