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

# TStream.ReadComponentRes

Reads component data and resource header from a stream

## Declaration

`public function TStream.ReadComponentRes(`
`Instance: TComponent`
`):TComponent;`

## Description

ReadComponentRes reads a resource header from the stream, and then calls ReadComponent to read the component state from the stream into Instance.

This method is usually called by the global streaming method when instantiating forms and datamodules as created by an IDE. It should be used mainly on Windows, to store components in Windows resources.

## Errors

If an error occurs during the reading of the component, an EFilerError exception is raised.

## See also

TStream.ReadComponent |  | Reads component data from a stream
TStream.WriteComponentRes |  | Write resource header and component data to a stream