[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index]

Reference for unit 'System' (#rtl)

Reference for unit 'System': Types

`AnsiChar`		Alias for 1-byte sized char.
`Byte`		An unsigned 8-bits integer
`Cardinal`		An unsigned 32-bits integer.
`Char`		Character type (1 byte)
`CodePointer`		Code pointer (8/16 bit targets)
`CodePtrInt`		Signed Integer with same size as `CodePointer`
`CodePtrUInt`		Unsigned Integer with same size as `CodePointer`
`DWord`		An unsigned 32-bits integer
`EnumResLangProc`		Callback for language resource enumeration
`EnumResNameProc`		Callback for resource name enumeration
`EnumResTypeProc`		Callback for resource type enumeration
`FarPointer`		Far pointer (8/16 bit targets)
`FileRec`		Untyped file type
`HGLOBAL`		Windows compatibility type for use in resources
`HMODULE`		Windows compatibility type for use in resources
`HRESULT`		32-Bit signed integer.
`IInterface`		Basic interface for all COM based interfaces
`Int16`		A signed 16-bits integer
`Int32`		A signed 32-bits integer
`Int64`		64-bit, signed integer
`Int8`		A signed 8-bits integer
`Integer`		A signed 16-bits integer
`IntegerArray`		Generic array of integer.
`IntPtr`		A signed integer with the same size in bytes as pointer
`jmp_buf`		Record type to store processor information.
`Longint`		A signed 32-bits integer
`Longword`		An unsigned 32-bits integer
`MAKEINTRESOURCE`		Alias for the PChar type.
`NativeInt`		Alias for `PtrInt`
`NativeUInt`		Alias for `PtrUint`
`PAnsiChar`		Alias for PChar type.
`PAnsiString`		Pointer to an ansistring type.
`PBoolean`		Pointer to a Boolean type.
`PByte`		Pointer to byte type
`pcalldesc`		Pointer to TCallDesc record.
`PCardinal`		Pointer to Cardinal type
`PChar`		Pointer to null-terminated string.
`PClass`		Pointer to TClass
`PCodePointer`		Pointer to `CodePointer`
`PComp`		Pointer to `Complex` type
`PCurrency`		Pointer to currency type.
`PDate`		Pointer to a TDateTime type.
`PDateTime`		Pointer to `TDatetime`
`PDispatch`		Pointer to IDispatch interface type
`pdispdesc`		Pointer to tdispdesc record
`PDouble`		Pointer to double-sized float value.
`PDWord`		Pointer to DWord type
`pdynarrayindex`		Pointer to tdynarrayindex type.
`pdynarraytypeinfo`		Pointer to TDynArrayTypeInfo type.
`PError`		Pointer to an Error type.
`PEventState`		Pointer to EventState, which is an opaque type.
`PExceptObject`		Pointer to Exception handler procedural type TExceptProc
`PExtended`		Pointer to extended-sized float value.
`PFileTextRecChar`		Pointer to `TFileTextRecChar`
`PGuid`		Pointer to TGUID type.
`pInt16`		Pointer to Int16 type
`pInt32`		Pointer to Int32 type
`PInt64`		Pointer to `Int64` type
`pInt8`		Pointer to Int8 type
`PInteger`		Pointer to integer type
`PIntegerArray`		Pointer to IntegerArray type
`PInterface`		Pointer to IInterface interface
`pinterfaceentry`		Pointer to tinterfaceentry record.
`pinterfacetable`		Pointer to tinterfacetable record.
`PIntPtr`		Pointer to IntPtr type
`PJmp_buf`		Pointer to jmp_buf record
`PLongBool`		Pointer to a `LongBool` type.
`PLongint`		Pointer to Longint type
`PLongWord`		Pointer to `LongWord` type
`PMemoryManager`		Pointer to TMemoryManager record
`PMsgStrTable`		Pointer to array of TMsgStrTable records.
`PNativeInt`		Pointer to NativeInt type
`PNativeUInt`		Pointer to NativeInt type
`PointerArray`		Generic pointer array.
`POleVariant`		Pointer to `OleVariant` type.
`PPAnsiChar`		Alias for PPChar type.
`PPByte`		Pointer to `PByte` type.
`PPChar`		Pointer to an array of pointers to null-terminated strings.
`PPCharArray`		Pointer to TPCharArray type.
`PPCodePointer`		Pointer to `PCodePointer`
`PPDispatch`		Pointer to PDispatch pointer type
`PPDouble`		Pointer to `PDouble` type.
`PPLongint`		Pointer to `PLongint` type.
`PPointer`		Pointer to a pointer type.
`PPointerArray`		Pointer to PointerArray type
`PPPAnsiChar`		Pointer to `PPAnsichar`
`PPPChar`		Pointer to `PPChar`.
`PPPointer`		Pointer to a PPointer type.
`PPPWideChar`		Pointer to `PPWideChar` type.
`PPtrInt`		Pointer to PtrInt type.
`PPtrUInt`		Pointer to unsigned integer of pointer size
`PPUnknown`		Pointer to untyped pointer
`PPWideChar`		Pointer to link id="PWideChar"> type.
`PQWord`		Pointer to `QWord` type
`PRTLCriticalSection`		Pointer to #rtl.system.TRTLCriticalSection type.
`PRTLEvent`		Pointer to RTLEvent, which is an opaque type.
`PShortInt`		Pointer to shortint type
`PShortString`		Pointer to a shortstring type.
`PSingle`		Pointer to single-sized float value.
`PSizeInt`		Pointer to a SizeInt type
`PSmallInt`		Pointer to smallint type
`pstringmessagetable`		Pointer to TStringMessageTable record.
`PText`		Pointer to text file.
`PtrInt`		Signed integer type with same size as Pointer.
`PtrUInt`		Unsigned integer type with same size as Pointer.
`PUCS2Char`		Pointer to UCS2Char character.
`PUCS4Char`		Pointer to UCS4Char
`PUCS4CharArray`		Pointer to array of UCS4Char characters.
`pUInt16`		Pointer to UInt16 type
`pUInt32`		Pointer to UInt32 type
`pUInt8`		Pointer to UInt8 type
`PUintPtr`		Pointer to UIntPtr type
`PUnicodeChar`		Pointer to unicode character
`PUnicodeString`		Pointer to unicodestring
`PUnknown`		Untyped pointer
`PUTF8String`		Pointer to UTF8String
`pvararray`		Pointer to TVarArray type.
`pvararraybound`		Pointer to tvararraybound type.
`pvararrayboundarray`		Pointer to tvararrayboundarray type.
`pvararraycoorarray`		Pointer to tvararraycoorarray type.
`pvardata`		Pointer to TVarData record.
`PVariant`		Pointer to `Variant` type.
`pvariantmanager`		Pointer to TVariantManager record.
`PVarRec`		Pointer to TVarRec type.
`PVmt`		Pointer to TVMT record
`PWideChar`		Pointer to WChar.
`PWideString`		Pointer to widestring type
`PWord`		Pointer to word type
`PWordBool`		Pointer to a `WordBool` type.
`QWord`		64-bit unsigned integer
`RawByteString`		Single-byte character string without specified codepage
`Real`		Alias for real type
`real48`		TP compatible real type (6 bytes) definition
`Shortint`		A signed 8-bits integer
`SizeInt`		Signed integer type which fits for sizes
`SizeUInt`		Unsigned Integer type which fits for sizes
`Smallint`		A signed 16-bits integer
`TAbstractErrorProc`		Abstract error handler procedural type.
`TAllocateThreadVarsHandler`		Threadvar allocation callback type for TThreadManager.
`TAnsiChar`		Alias for 1-byte sized char.
`TAssertErrorProc`		Assert error handler procedural type.
`TBackTraceStrFunc`		Type for formatting of backtrace dump.
`TBasicEventCreateHandler`		callback type for creating eventstate in TThreadManager.
`TBasicEventHandler`		Generic callback type for handling eventstate in TThreadManager.
`TBasicEventWaitForHandler`		Wait for basic event callback type for TThreadManager.
`TBeginThreadHandler`		Callback for thread start in TThreadManager.
`TBoundArray`		Dynamic array of integer.
`tcalldesc`		COM/OLE dispatch call argument description.
`TClass`		Class of TObject.
`TCriticalSectionHandler`		Generic callback type for critical section handling in TThreadManager.
`TCriticalSectionHandlerTryEnter`		Function prototype for `TryEnterCriticalsection`
`TCtrlBreakHandler`		CTRL-C Handler prototype
`TDate`		Alias for `TDateTime` type.
`TDateTime`		Encoded Date-Time type.
`tdispdesc`		COM/OLE dispatch call description.
`TDoubleRec`		Extended value record
`tdynarrayindex`		Type with the correct size for index into a dynamic array.
`tdynarraytypeinfo`		Type information for a dynamic array.
`TEndThreadHandler`		Callback for thread end in TThreadManager.
`TEntryInformation`		Executable entry point information structure
`TError`		Error type, used in variants.
`TErrorProc`		Standard error handler procedural type.
`TExceptObject`		Exception object
`TExceptProc`		Exception handler procedural type
`TextBuf`		Text buffer
`TExtended80Rec`		Extended value record
`TextFile`		Alias for `Text` file type.
`TextRec`		Text file type
`TFileTextRecChar`		Character type for the filename part in file records
`TFloatSpecial`		Special floating point values
`TFPCHeapStatus`		Record describing the state of the default FPC heap manager.
`TFPResourceHandle`		Handle to resource
`TFPResourceHGLOBAL`		TFPResourceHGLOBAL
`TFPResourceHMODULE`		Handle to module containing resource
`TFPUException`		Type describing Floating Point processor exceptions.
`TFPUExceptionMask`		Set of `TFPUException`
`TFPUPrecisionMode`		Type describing the default precision for Floating Point math.
`TFPURoundingMode`		How to round floating point values
`TGetCurrentThreadIdHandler`		Callback type for retrieving thread ID in TThreadManager.
`TGuid`		Standard GUID representation type.
`THandle`		Type alias.
`THeapStatus`		Record describing current heap status.
`TInitThreadVarHandler`		Threadvar initialization callback type for TThreadManager.
`TInterfacedClass`		TObject descendent implementing the IInterface interface
`tinterfaceentry`		Interfaces table entry.
`tinterfaceentrytype`		Dispatch interface entry type
`tinterfacetable`		Record to store list of interfaces of a class.
`TLineEndStr`		Line ending string type
`TMemoryManager`		Record describing the current memory manager
`TMethod`		Record describing a method.
`TMsgStrTable`		Record used in string message handler table.
`TPCharArray`		Array of PChar
`TProcedure`		Simple procedural type.
`TReleaseThreadVarsHandler`		Threadvar release callback type for TThreadManager.
`TRelocateThreadVarHandler`		Threadvar relocalization callback type for TThreadManager.
`TResourceHandle`		Handle to a resource, for use in the resource loading routines
`TResourceManager`		Resource manager definition
`TRTLCreateEventHandler`		Callback type for creating a `TRTLEvent` type in TThreadManager.
`TRTLCriticalSection`		A critical section.
`TRTLEventHandler`		Generic TRTLEvent handling type for TThreadManager.
`TRTLEventHandlerTimeout`		TRTLEvent timeout handling type for TThreadManager.
`trtlmethod`		Callback type for synchronization event.
`TRuntimeError`		Type of runtime-error for the Error procedure
`TSafeCallErrorProc`		Prototype for the safecall error handler
`TSemaphoreDestroyHandler`		Function prototype for destroying a semaphore
`TSemaphorePostHandler`		Function prototype for posting an event to a semaphore
`TSemaphoreWaitHandler`		Function prototype to wait on a semaphore
`TSempahoreInitHandler`		Function prototype for initializing a semaphore
`TSingleRec`		Extended value record
`TStandardCodePageEnum`		Description of standard used codepages
`TStringMessageTable`		String message table container for class.
`TSystemCodePage`		System code page
`TTextBuf`		Alias for `TextBuf`
`TTextLineBreakStyle`		Text line break style. (end of line character)
`TThreadFunc`		Thread function prototype
`TThreadGetPriorityHandler`		Callback type for thread priority getting in TThreadManager.
`TThreadHandler`		Generic thread handler callback for TThreadManager.
`TThreadID`		Type for Thread-IDs
`TThreadManager`		Thread manager record.
`TThreadSetPriorityHandler`		Callback type for thread priority setting in TThreadManager.
`TThreadSwitchHandler`		Callback type for thread switch in TThreadManager.
`TTime`		Alias for `TDateTime` type.
`TUCS4CharArray`		Array of UCS4Char characters.
`TUnicodeStringManager`		Unicode string manager
`tvararray`		Type describing variant array
`tvararraybound`		Type describing variant array bounds.
`tvararrayboundarray`		array of tvararraybound records.
`tvararraycoorarray`		Array of variant array coordinates
`tvardata`		Variant record.
`tvariantmanager`		Record describing the variant manager.
`tvarop`		Variant operation.
`TVarRec`		Record describing an element in an array of const
`tvartype`		Type with size of variant type.
`TVmt`		Virtual method table layout
`TWaitForThreadTerminateHandler`		Callback type for thread termination in TThreadManager.
`TWideStringManager`		Record containing the various callbacks of the widestring manager.
`UCS2Char`		UCS2 unicode character.
`UCS4Char`		UCS unicode character (unsigned 32 bit word)
`UCS4String`		String of UCS4Char characters.
`UInt16`		An unsigned 16-bits integer
`UInt32`		An unsigned 32-bits integer
`UInt64`		Unsigned 64-bit integer
`UInt8`		An unsigned 8-bits integer
`UIntPtr`		An unsigned integer with the same size in bytes as pointer
`UnicodeChar`		Unicode string character
`UnicodeString`		A string consisting of widechars.
`UTF8String`		UTF-8 unicode (ansi) string.
`ValReal`		Largest available floating point type
`ValSInt`		Val-Signed integer.
`ValUInt`		Val-unsigned integer
`WChar`		Wide char (16-bit sized char)
`WideChar`		The base two byte character type
`WideString`
`Word`		An unsigned 16-bits integer