| Name | Description |
| BrowseDirectories | Overloaded. Browses for directories under the specified OPC UA directory. |
| BrowseFiles | Overloaded. Browses for files under the specified OPC UA directory. |
| BrowseTree | Overloaded. Browses a tree of objects available in the OPC UA directory, returning all available object types. |
| Copy | Overloaded. Copies an OPC UA file or directory to another directory. |
| CopyFile | Overloaded. Copies an OPC UA file to another directory. |
| CreateAndOpenFile | Creates a new OPC UA file, organized under an existing directory, and immediately opens it. |
| CreateDirectory | Overloaded. Creates a new directory under an existing OPC UA directory. |
| CreateFile | Creates a new file under an existing OPC UA directory. |
| CreateOrOpenFile | Opens an existing OPC UA file, or creates a new OPC UA file if it does not exist yet. |
| CreateStream | Overloaded. Creates a new OPC UA file and provides a System.IO.Stream to access it for reading/writing. |
| Delete | Overloaded. Deletes an existing OPC UA file or directory. |
| DeleteDirectory | Overloaded. Deletes an existing OPC UA directory. |
| DeleteDirectoryIfExists | Deletes an OPC UA directory if it exists (does nothing if the directory does not exist). |
| DeleteFile | Overloaded. Deletes an existing OPC UA file. |
| DeleteFileIfExists | Overloaded. Deletes an OPC UA file if it exists (does nothing if the file does not exist). |
| DeleteIfExists | Overloaded. Deletes an OPC UA file or directory if it exists (does nothing if the file or directory does not exist). |
| EnumerateDirectories | Overloaded. Enumerates directories under the specified OPC UA directory. |
| EnumerateFiles | Overloaded. Enumerates files under the specified OPC UA directory. |
| FindDirectory | Overloaded. Finds a directory object under the specified parent directory. |
| FindFile | Overloaded. Finds a file object under the specified parent directory. |
| FindFileOrDirectory | Overloaded. Finds a file or directory object under the specified parent directory. |
| FindFileSystem | Finds a file system object component under the specified OPC UA object. |
| FindOrCreateAllDirectories | Overloaded. Finds an OPC UA directory with given path and name; creates the directory, together with the directories on the path, if they are not found. |
| FindOrCreateDirectory | Finds an OPC UA directory with given name; creates the directory if not found. |
| FindRootAndPath | Finds a root directory of the specified OPC UA file or directory object, and a named node path from the root directory to the specified object. |
| FindRootDirectory | Finds a root directory of the specified OPC UA file or directory object. |
| GetDirectory | Overloaded. Obtains a node descriptor of an OPC UA directory object. |
| GetDirectoryContents2 | Overloaded. Gets a directory contents object for the specified OPC UA directory. |
| GetDirectoryName | Obtains a name of a given OPC UA directory object. |
| GetFile | Overloaded. Obtains a node descriptor of an OPC UA file object. |
| GetFileInfo2 | Overloaded. Gets a file info object for the specified OPC UA file. |
| GetFileName | Obtains a name of a given OPC UA file object. |
| GetFileOrDirectory | Overloaded. Obtains a node descriptor of an OPC UA file or directory object. |
| GetFileProperties | Overloaded. Obtain properties (file metadata) of a specified OPC UA file. |
| GetFileProvider2 | Gets a file provider on the specified OPC UA directory. |
| GetFileSystem | Overloaded. Obtains a file system object component under the specified OPC UA object. |
| GetMultipleFileProperties | Obtain properties (file metadata) of multiple specified OPC UA files. |
| GetMultipleNames | Obtains names of given OPC UA file or directory objects. |
| GetName | Obtains a names of a given OPC UA file or directory object. |
| GetParentDirectory | Obtains node descriptor of a parent directory of a specified OPC UA file or directory. |
| GetRootDirectory | Obtains node descriptor of a root directory of a specified OPC UA file or directory. |
| GetWritableDirectoryContents | Overloaded. Gets a writable directory contents object for the specified OPC UA directory. |
| GetWritableFileInfo | Overloaded. Gets a writable file info object for the specified OPC UA file. |
| GetWritableFileProvider | Gets a writable file provider on the specified OPC UA directory. |
| HasFileSystem | Overloaded. Determines whether the specified OPC UA object contains a file system object component. |
| HasParentDirectory | Determines whether the specified OPC UA file or directory has a parent directory object. |
| IsDirectory | Overloaded. Determines whether the specified OPC UA node is an OPC UA directory object. |
| IsFile | Overloaded. Determines whether the specified OPC UA node is an OPC UA file object. |
| IsFileOrDirectory | Overloaded. Determines whether the specified OPC UA node is an OPC UA file or directory object. |
| IsRootDirectory | Determines whether the specified OPC UA directory is a root directory. |
| ListDirectoryNames | Overloaded. Obtains names of directories under the specified OPC UA directory. |
| ListFileAndDirectoryNames | Overloaded. Obtains names of files and directories under the specified OPC UA directory. |
| ListFileNames | Overloaded. Obtains names of files under the specified OPC UA directory. |
| Move | Overloaded. Moves an OPC UA file or directory to another directory, or renames a file or directory. |
| MoveDirectory | Overloaded. Moves an OPC UA directory to another directory, or renames a directory. |
| MoveFile | Overloaded. Moves an OPC UA file to another directory, or renames a file. |
| MoveOrCopy | Overloaded. Moves or copies an OPC UA file or directory to another directory, or renames a file or directory. |
| MoveOrCopyDirectory | Overloaded. Moves or copies an OPC UA directory to another directory, or renames a directory. |
| MoveOrCopyFile | Overloaded. Moves or copies an OPC UA file to another directory, or renames a file. |
| OpenFile | Opens an existing OPC UA file. |
| OpenOrCreateStream | Overloaded. Opens an existing OPC UA file, or creates a new OPC UA file if one does not exist, and returns a System.IO.Stream to access the file data. |
| OpenOrCreateStreamWriter | Overloaded. Create or opens an OPC UA file for writing text via System.IO.StreamWriter. |
| OpenStream | Overloaded. Opens a System.IO.Stream on the specified OPC UA file. |
| OpenStreamReader | Overloaded. Opens an existing OPC UA text file for reading via System.IO.StreamReader. |
| OpenStreamWriter | Overloaded. Opens an OPC UA file for writing text via System.IO.StreamWriter. |
| ReadAllBytes | Overloaded. Returns the contents of an OPC UA file as a byte array. |
| ReadAllText | Overloaded. Returns the contents of an OPC UA text file as a System.String. |
| Rename | Overloaded. Renames an OPC UA file or directory. |
| WriteAllBytes | Overloaded. Writes binary data to an OPC UA file. |
| WriteAllText | Overloaded. Writes text to an OPC UA file. |