resdatastream unit

This unit contains various streams that are used to provide copy-on-write mechanism for TAbstractResource.RawData, via more levels of indirection.

Main class is TResourceDataStream, which is the stream used for TAbstractResource.RawData. This class uses an underlying stream, to which it redirects operations.

At a lower level, a TCachedDataStream descendant provides a layer between the original stream and the TResourceDataStream.

Classes and records

TCachedDataStream	class	Base cached stream class
TCachedResourceDataStream	class	An implementation of a cached stream
TResourceDataStream	class	Stream class that provides copy-on-write functionality

Types

TCachedStreamClass	type	Cached stream metaclass
TUnderlyingStreamType	enumeration	The type of the underlying stream of TResourceDataStream

Uses

• Classes
• SysUtils
• resource