[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] | Reference for unit 'Classes' (#rtl)

# TFileStream

[Properties (by Name)] [Methods (by Name)] [Events (by Name)]

Stream that stores its data in a named file on disk.

## Declaration

Source position: classesh.inc line 1028

`type TFileStream = class(THandleStream)`
`public`
`constructor Create();` |  | Creates a file stream.
`destructor Destroy; override;` |  | Destroys the file stream.
`property FileName: string; [r]` |  | The filename of the stream.
`end;`

## Inheritance

`TFileStream` |  | Stream that stores its data in a named file on disk.
`THandleStream` |  | Base class for streams that are identified by an OS handle.
`TStream` |  | Base class for streams.
`TObject` |  | Base class of all classes.

## Description

TFileStream is a TStream descendant that stores or reads it's data from a named file in the file system of the operating system.

To this end, it overrides some of the methods in TStream and implements them for the case of files on disk, and it adds the FileName property to the list of public properties.

## See also

TFileStream.Create |  | Creates a file stream.
TStream |  | Base class for streams.