Unit 'System'	Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index]	[#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).
`CodePointer`		Code pointer (8/16 bit targets).
`CodePtrInt`		Signed Integer with same size as `CodePointer`.
`CodePtrInt`		Signed Integer with same size as `CodePointer`.
`CodePtrUInt`		Unsigned Integer with same size as `CodePointer`.
`CodePtrUInt`		Unsigned Integer with same size as `CodePointer`.
`Comp`		Comp type.
`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.
`float32`
`float64`
`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.
`MarshaledAString`		Alias for `PAnsiChar`.
`MarshaledString`		Alias for `PWideChar`.
`NativeInt`		Alias for `PtrInt`.
`NativeUInt`		Alias for `PtrUInt`.
`OpaquePointer`		Type alias for `POpaqueData`.
`PAnsiChar`		Alias for PChar type.
`PAnsiString`		Pointer to an ansistring type.
`PBoolean`		Pointer to a Boolean type.
`PBoolean16`		Pointer to `Boolean16` type.
`PBoolean32`		Pointer to `Boolean32` type.
`PBoolean64`		Pointer to `Boolean64` type.
`PBoolean8`		Pointer to `Boolean8` type.
`PByte`		Pointer to byte type.
`PByteBool`		Pointer to `ByteBool` 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`.
`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.
`PExceptAddr`		Pointer to exception address record.
`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.
`PMarshaledAString`		Pointer to `PWideChar`.
`PMarshaledString`		Pointer to `PWideChar`.
`PMemoryManager`		Pointer to TMemoryManager record.
`PMethod`		Pointer to method.
`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.
`POpaqueData`		Pointer to unknown data.
`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.
`ppdynarraytypeinfo`		Pointer to `pdynarraytypeinfo`.
`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.
`PPVmt`		Pointer to `PVMT` pointer.
`PPWideChar`		Pointer to link id="PWideChar"> type.
`PQWord`		Pointer to `QWord` type.
`PQWordBool`		Pointer to `QWordBool` type.
`PRawByteString`		Pointer to `RawByteString`.
`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.
`PSizeUInt`		Pointer to `SizeUint`.
`PSmallInt`		Pointer to smallint type.
`pstringmessagetable`		Pointer to TStringMessageTable record.
`PText`		Pointer to text file.
`PtrInt`		Signed integer type with same size as Pointer.
`PtrInt`		Signed integer type with same size as Pointer.
`PtrUInt`		Unsigned 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.
`PUInt64`		Pointer to `UInt64`.
`PUInt8`		Pointer to UInt8 type.
`PUintPtr`		Pointer to UIntPtr type.
`PUnicodeChar`		Pointer to Unicode character.
`PUnicodeString`		Pointer to unicodestring.
`PUnknown`		Untyped pointer.
`PUTF8Char`		Pointer to `UTF8Char`.
`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.
`RTLString`
`Shortint`		A signed 8-bits integer.
`SizeInt`		Signed integer type which fits for sizes.
`SizeInt`		Signed integer type which fits for sizes.
`SizeUInt`		Unsigned 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.
`TArray`
`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.
`TCompareOption`		How to compare strings.
`TCompareOptions`		Set of `TCompareOption`.
`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.
`TDynLibsManager`		Dynamic library loading support.
`TEndThreadHandler`		Callback for thread end in TThreadManager.
`TEntryInformation`		Executable entry point information structure.
`TEntryInformationOS`		Entry information for the OS.
`TError`		Error type, used in variants.
`TErrorProc`		Standard error handler procedural type.
`TExceptAddr`		Exception stack address descriptor.
`TExceptObject`		Exception object.
`TExceptProc`		Exception handler procedural type.
`TExitCode`
`TExitCode`
`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.
`TGetLoadErrorStrHandler`		Get last load error description string handler type.
`TGetProcAddressHandler`		Get procedure address handler type.
`TGetProcAddressOrdinalHandler`		Get procdure address by ordinal handler type.
`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.
`TInterfaceThunkClass`
`TLibHandle`		Library handle type.
`TLineEndStr`		Line ending string type.
`TLoadLibraryAHandler`		>Load library (ansistring) handler type.
`TLoadLibraryUHandler`		Load library (unicode) handler type.
`TMemoryManager`		Record describing the current memory manager.
`TMethod`		Record describing a method.
`TMsgStrTable`		Record used in string message handler table.
`TNativeFPUControlWord`
`TOpaqueData`		Empty record.
`TOrdinalEntry`		Ordinal of entry point (windows only).
`TOSTimestamp`
`TPCharArray`		Array of PChar.
`TProcedure`		Simple procedural type.
`TPtrWrapper`
`TPtrWrapperArray`
`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.
`TThreadSetThreadDebugNameHandlerA`		Set thread debug name callback prototype, AnsiString version.
`TThreadSetThreadDebugNameHandlerU`		Set thread debug name callback prototype, UnicodeString version.
`TThreadSwitchHandler`		Callback type for thread switch in TThreadManager.
`TTime`		Alias for `TDateTime` type.
`TTypeKind`		Type of a property or value.
`TUCS4CharArray`		Array of UCS4Char characters.
`TUnicodeStringManager`		Unicode string manager.
`TUnloadLibraryHandler`		Unload library handler type.
`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.
`UTF8Char`		Single byte character.
`UTF8String`		UTF-8 Unicode (Ansi) string.
`ValReal`		Largest available floating point type.
`ValSInt`		Val-Signed integer.
`ValSInt`		Val-Signed integer.
`ValUInt`		Val-unsigned integer.
`ValUInt`		Val-unsigned integer.
`WChar`		Wide char (16-bit sized char).
`WideChar`		The base two byte character type.
`WideString`		UTF-16 widechar encoded unicode string.
`Word`		An unsigned 16-bits integer.