Structured Data Types

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Type	Description
System.Classes.TBytesStream	Represents a stream that stores its data in bytes.
System.Classes.TCollection	A container for TCollectionItem objects.
System.Classes.TComponent	The common ancestor of all component classes.
System.Classes.TCustomMemoryStream	An abstract base class used as the common ancestor for memory streams.
System.Generics.Collections.TDictionary	Collection of key-value pairs.
System.Classes.TFiler	The abstract base class for reader and writer objects, which are used for loading and saving components and their properties.
System.Classes.THandleStream	Enables applications to read from and write to communications resources identified by a handle.
System.Generics.Collections.TList	Ordered list.
System.Classes.TMemoryStream	A stream that stores its data in dynamic memory.
System.Classes.TPersistent	An abstract base class used as the common ancestor for memory streams.
System.Types.TPoint	Defines a pixel location onscreen.
System.Generics.Collections.TQueue	Queue implemented over array, using wrapping.
System.Types.TRect	Defines a rectangle.
System.Classes.TResourceStream	A memory stream that provides access to the compiled resources in an application.
System.Types.TSmallPoint	Defines a point with two 16-bit coordinates.
System.Types.TSize	Represents a width and height.
System.Generics.Collections.TStack	Last in, first out stack.
System.Classes.TStream	The abstract base class type for stream objects that can read from or write to various kinds of storage media, such as disk files, dynamic memory, and so on.
System.Classes.TStrings	The base class for objects that represent a list of strings.
System.Classes.TTextReader	Reader for sequence of characters.
System.Classes.TTextWriter	Writer of sequence of characters.
System.Classes.TThread	An abstract class that enables creation of separate threads of execution in an application.

See Also

• API Categories Index