[Overview][Resource strings][Constants][Types][Classes][Index] Reference for unit 'resource' (#fcl-res)

TAbstractResourceReader.Load

Loads resources from a stream

Declaration

Source position: resource.pp line 295

protected procedure TAbstractResourceReader.Load(

  aResources: TResources;

  aStream: TStream

); virtual; abstract;

Arguments

aResources

  

The TResources object to be loaded from the stream

aStream

  

The stream which resources must be loaded from

Description

A TResources object invokes this method when it needs to be loaded from a stream, passing itself as the aResources parameter and the stream as the aStream parameter.

aStream position is already correctly set: the reader must start to read from there.

Descendant classes must ensure that the the stream is in a format they recognize, otherwise an EResourceReaderWrongFormatException exception must be raised.

Each resource is then created, read from the stream and added to the TResources object.

When reading a resource, a reader must:

Errors

If the stream is in a format not recognized by the reader, a EResourceReaderWrongFormatException exception must be raised.

If the stream ends prematurely, a EResourceReaderUnexpectedEndOfStreamException exception must be raised.

See also

TResources

  

A collection of resources

TResources.LoadFromStream

  

Loads the contents of the object from a stream

TResources.LoadFromFile

  

Loads the contents of the object from a file

TAbstractResource

  

Base abstract resource class

TAbstractResource.DataSize

  

The size of resource raw data

TAbstractResource.DataOffset

  

The offset of resource data from the beginning of the stream

TAbstractResource.RawData

  

The raw resource data stream

TAbstractResourceReader.SetDataSize

  

Protected method to let a reader set a resource DataSize property

TAbstractResourceReader.SetDataOffset

  

Protected method to let a reader set a resource DataOffset property

TAbstractResourceReader.SetRawData

  

Protected method to let a reader set a resource RawData property

TAbstractResourceReader.CheckMagic

  

Checks whether a stream is in a format the reader recognizes

TResourceDataStream

  

Stream class that provides copy-on-write functionality


Documentation generated on: Nov 14 2015