System Namespace

This is namespace System.

Name	Description
Classes	The following table lists classes in this documentation.
Interfaces	The following table lists interfaces in this documentation.
Functions	The following table lists functions in this documentation.
Structs, Records, Enums	The following table lists structs, records, enums in this documentation.
Types	The following table lists types in this documentation.
Variables	The following table lists variables in this documentation.
Constants	The following table lists constants in this documentation.
Macros	The following table lists macros in this documentation.

Classes

	Name	Description
	AnsiStringBase	System::AnsiStringBase is the base class for the C++ analog of the Delphi long string type.
	AnsiStringT	System::AnsiStringT is the C++ analog for the Delphi long string type.
	Currency	System::Currency is the C++ implementation of the Delphi System::Currency data type.
	CurrencyBase	This is class System::CurrencyBase.
	DelphiInterface	System::DelphiInterface is a C++ implementation of the Delphi interface.
	DynamicArray	System::DynamicArray is the C++ analog for the Delphi dynamic array type.
	DynArrayException	This is class System::DynArrayException.
	DynArrayNullData	This is class System::DynArrayNullData.
	DynArrayOutOfRange	This is class System::DynArrayOutOfRange.
	OleVariant	System::OleVariant is a C++ implementation of the Delphi intrinsic type System::OleVariant.
	SmallString	This is class System::SmallString.
	SmallStringBase	This is class System::SmallStringBase.
	sPointer	This is class System::sPointer.
	TAggregatedObject	System::TAggregatedObject provides the functionality for an inner object of an aggregate by implementing the IInterface methods to delegate to the controlling IInterface.
	TClassHelperBase	This is class System.TClassHelperBase.
	TContainedObject	System::TContainedObject implements the IInterface interface as an inner object in an aggregate.
	TDateTime	System::TDateTime is the C++ analog for the Delphi System::TDateTime data type.
	TDateTimeBase	This is class System::TDateTimeBase.
	TInterfacedObject	System::TInterfacedObject is a base for simple classes that need a basic IInterface implementation.
	TMetaClass	System::TMetaClass is the C++ representation of the Delphi class-reference type.
	TMonitor	TMonitor provides methods for synchronizing the access of several threads to a single object.
	TObject	System::TObject is the ultimate ancestor of all objects and components.
	UnicodeString	System::UnicodeString is the C++ analog for the Delphi UnicodeString type.
	Variant	System::Variant is a C++ implementation of the Delphi intrinsic type System::Variant.
	WideString	System::WideString represents strings of 16-bit characters.

Constants

Name	Description
CompilerVersion	Designates the version number of the Delphi compiler.
CPUi386	This is constant System.CPUi386.
CPUi486	This is constant System.CPUi486.
CPUPentium	This is constant System.CPUPentium.
E_NOINTERFACE	This is constant System.E_NOINTERFACE.
E_NOTIMPL	This is constant System.E_NOTIMPL.
E_UNEXPECTED	This is constant System.E_UNEXPECTED.
fmClosed	This is constant System.fmClosed.
fmInOut	This is constant System.fmInOut.
fmInput	This is constant System.fmInput.
fmOutput	This is constant System.fmOutput.
hfFieldSize	This is constant System.hfFieldSize.
hfMonitorOffset	This is constant System.hfMonitorOffset.
INFINITE	This is constant System.INFINITE.
MaxInt	The maximum value of the Integer data type.
MaxLongint	The maximum value of the Longint data type.
NumSmallBlockTypes	NumSmallBlockTypes is the number of small memory block types employed by the default memory manager.
opAdd	opAdd defines an addition operation.
opAnd	opAnd defines a logical and operation.
opCmpEQ	opCmpEQ defines an equality comparison operator.
opCmpGE	opCmpGE defines a greater than or equal comparison operator.
opCmpGT	opCmpGT defines a greater than comparison operator.
opCmpLE	opCmpLE defines a less than or equal comparison operator.
opCmpLT	opCmpLT defines a less than comparison operator.
opCmpNE	opCmpNE defines an inequality comparison operator.
opCompare	opCompare defines a comparison operation.
opDivide	opDivide defines a divide operation.
opIntDivide	opIntDivide defines an integer divide operation.
opModulus	opModulus defines a modulus operation.
opMultiply	opMultiply defines a multiply operation.
opNegate	opNegate defines a negate operation.
opNot	opNot defines a binary negation operation.
opOr	opOr defines a logical or operation.
opShiftLeft	opShiftLeft defines a bitwise shift left operation.
opShiftRight	opShiftRight defines a bitwise shift right operation.
opSubtract	opSubtract defines a subtraction operation.
opXor	opXor defines a logical exclusive or operation.
RTLVersion	Designates the version number of the Delphi runtime library.
S_FALSE	This is constant System.S_FALSE.
S_OK	This is constant System.S_OK.
sLineBreak	Represents the character(s) used to generate a line feed.
tfCRLF	This is constant System.tfCRLF.
varAny	Represents a Variant that can hold any value.
varArray	Represents a Variant that holds dynamic array data.
varBoolean	Represents a Variant that holds WordBool data.
varByRef	Represents a Variant that points to another variable.
varByte	Represents a Variant that holds byte data.
varCurrency	Represents a Variant that holds a monetary floating point value.
varDate	Represents a Variant that holds a TDateTime value.
varDispatch	Represents a Variant that has been assigned an IDispatch value.
varDouble	Represents a Variant that holds a floating point value.
varEmpty	Represents a Variant that has not yet been assigned a value.
varError	Represents a Variant that holds a 32 bit error code.
varInt64	Represents a Variant that holds Int64 data.
varInteger	Represents a Variant that holds Integer data.
varLongWord	Represents a Variant that holds LongWord data.
varNull	Represents a Variant that holds a null value.
varOleStr	Represents a Variant that has been assigned a COM interface type string value.
varShortInt	Represents a Variant that holds ShortInt data.
varSingle	Represents a Variant that holds byte data.
varSmallint	Represents a Variant that holds Smallint data.
varStrArg	Represents a Variant that has holds a COM compatible string value.
varString	Represents a Variant that holds string data.
varTypeMask	Defines a mask for filtering out the meta data part of a Variant data type.
varUInt64	This is constant System.varUInt64.
varUnknown	Represents a Variant that holds an unknown value.
varUString	This is constant System.varUString.
varVariant	Represents a Variant data type.
varWord	Represents a Variant that holds Word data.
vmtAddRef	This is constant System.vmtAddRef.
vmtAfterConstruction	This is constant System.vmtAfterConstruction.
vmtAutoTable	This is constant System.vmtAutoTable.
vmtBeforeDestruction	This is constant System.vmtBeforeDestruction.
vmtClassName	This is constant System.vmtClassName.
vmtCreateObject	This is constant System.vmtCreateObject.
vmtDefaultHandler	This is constant System.vmtDefaultHandler.
vmtDestroy	This is constant System.vmtDestroy.
vmtDispatch	This is constant System.vmtDispatch.
vmtDynamicTable	This is constant System.vmtDynamicTable.
vmtEquals	This is constant System.vmtEquals.
vmtFieldTable	This is constant System.vmtFieldTable.
vmtFreeInstance	This is constant System.vmtFreeInstance.
vmtGetHashCode	This is constant System.vmtGetHashCode.
vmtInitTable	This is constant System.vmtInitTable.
vmtInstanceSize	This is constant System.vmtInstanceSize.
vmtIntfTable	This is constant System.vmtIntfTable.
vmtMethodTable	This is constant System.vmtMethodTable.
vmtNewInstance	This is constant System.vmtNewInstance.
vmtParent	This is constant System.vmtParent.
vmtQueryInterface	This is constant System.vmtQueryInterface.
vmtRelease	This is constant System.vmtRelease.
vmtSafeCallException	This is constant System.vmtSafeCallException.
vmtSelfPtr	This is constant System.vmtSelfPtr.
vmtToString	This is constant System.vmtToString.
vmtTypeInfo	This is constant System.vmtTypeInfo.
vtAnsiString	vtAnsiString defines an AnsiString TVarData VType value.
vtBoolean	vtBoolean defines a Boolean TVarData VType value.
vtChar	vtChar defines a Char TVarData VType value.
vtClass	vtClass defines a TClass TVarData VType value.
vtCurrency	vtCurrency defines a Currency TVarData VType value.
vtExtended	vtExtended defines an Extended TVarData VType value.
vtInt64	vtInt64 defines an Int64 TVarData VType value.
vtInteger	vtInteger defines an Integer TVarData VType value.
vtInterface	vtInterface defines an Interface pointer TVarData VType value.
vtObject	vtObject defines a TObject TVarData VType value.
vtPChar	vtPChar defines a PChar TVarData VType value.
vtPointer	vtPointer defines a Pointer TVarData VType value.
vtPWideChar	vtPWideChar defines a PWideChar TVarData VType value.
vtString	vtString defines a String TVarData VType value.
vtUnicodeString	This is constant System.vtUnicodeString.
vtVariant	vtString defines a Variant TVarData VType value.
vtWideChar	vtWideChar defines a WideChar TVarData VType value.
vtWideString	vtWideString defines a WideString TVarData VType value.

Functions

	Name	Description
	Abs	Returns an absolute value.
	AcquireExceptionObject	Retains access to exception object.
	AddModuleUnloadProc	AddModuleUnloadProc adds a call to your defined routine when a package is unloaded.
	AddModuleUnloadProc	AddModuleUnloadProc adds a call to your defined routine when a package is unloaded.
	Addr	Returns a pointer to a specified object.
	AllocMem	AllocMem allocates a memory block and initializes each byte to zero.
	AnsiToUtf8	Converts a string encoded in Ansi to UTF-8.
	Append	Prepares an existing file for adding text to the end.
	ArcTan	Calculates the arctangent of a given number.
	Assert	Tests whether a Boolean expression is true.
	Assert	Tests whether a Boolean expression is true.
	Assigned	Tests for a nil (unassigned) pointer or procedural variable.
	AssignFile	Associates the name of an external file with a file variable.
	AttemptToUseSharedMemoryManager	Attempts to use a shared memory manager.
	BeginThread	Spawns a separate thread of execution.
	BlockRead	Reads one or more records from an open file into a variable.
	BlockRead	Reads one or more records from an open file into a variable.
	BlockWrite	Writes one or more records from a variable to an open file.
	BlockWrite	Writes one or more records from a variable to an open file.
	Break	Causes the flow of control to exit a for, while, or repeat statement.
	ChDir	Changes the current directory.
	ChDir	Changes the current directory.
	CheckSafecallResult	This is function System::CheckSafecallResult.
	Chr	Returns the character for a specified ASCII value.
	Close	Terminates the association between a file variable and an external file.
	CloseFile	Terminates the association between file variable and an external disk file.
	CompToCurrency	Converts a Comp value to a Currency value.
	CompToDouble	Converts a Comp value to a double value.
	Concat	Concatenates two or more strings into one.
	Concat	Concatenates two or more strings into one.
	Concat	Concatenates two or more strings into one.
	Continue	Allows the flow of control to proceed to the next iteration of for, while, or repeat statements.
	Copy	Returns a substring of a string or a segment of a dynamic array.
	Cos	Calculates the cosine of an angle.
	CurrencyToComp	Converts a Currency value to a Comp value.
	Dec	Decrements a variable by 1 or N.
	Dec	Decrements a variable by 1 or N.
	Delete	Removes a substring from a string.
	Dispose	Releases memory allocated for a dynamic variable.
	DoubleToComp	Converts a double value to a Comp.
	DynArrayClear	This is function System.DynArrayClear.
	DynArrayDim	This is function System.DynArrayDim.
	DynArraySetLength	This is function System.DynArraySetLength.
	EndThread	Terminates the execution of a thread.
	EnumModules	Executes a callback for all the modules in an application.
	EnumModules	Executes a callback for all the modules in an application.
	EnumResourceModules	Executes a callback for all resource modules in an application.
	EnumResourceModules	Executes a callback for all resource modules in an application.
	Eof	Tests whether the file position is at the end of a file.
	Eof	Tests whether the file position is at the end of a file.
	Eof	Tests whether the file position is at the end of a file.
	Eoln	Tests whether the file pointer is at the end of a line.
	Eoln	Tests whether the file pointer is at the end of a line.
	Erase	Deletes an external file.
	Error	Error is used to generate a run-time exception.
	ExceptAddr	Returns the address at which the current exception was raised.
	ExceptObject	Returns current exception object.
	Exclude	Removes an element from a Delphi set or removes an event handler in .NET applications.
	Exit	Exits from the current procedure.
	Exp	Returns the exponential of X.
	Exp	Returns the exponential of X.
	FilePos	Returns the current file position.
	FileSize	Returns the number of records in a file.
	FillChar	Fills contiguous bytes with a specified value.
	Finalize	Uninitializes a dynamically allocated variable.
	Finalize	Uninitializes a dynamically allocated variable.
	FindClassHInstance	Returns the instance handle for the module in which a class type is defined.
	FindDynaInst	This is function System::FindDynaInst.
	FindHInstance	Returns the instance handle of the module that contains a specified address.
	FindResourceHInstance	Returns the instance handle of the resource module associated with a specified HInstance.
	Flush	Empties the buffer of a text file opened for output.
	FPower10	This is function System.FPower10.
	Frac	Returns the fractional part of a real number.
	FreeMem	FreeMem frees a memory block.
	FreeMem	FreeMem frees a memory block.
	FreeMemory	FreeMemory frees a memory block.
	Get8087CW	Returns the value of the 8087 code word.
	GetDir	Returns the current directory.
	GetHeapStatus	Returns the current status of the memory manager.
	GetLastError	Returns the last error reported by an operating system API call.
	GetMem	GetMem allocates a memory block.
	GetMemory	GetMemory allocates a memory block.
	GetMemoryManager	Returns the entry points of the currently installed memory manager.
	GetMemoryManager	Returns the entry points of the currently installed memory manager.
	GetMemoryManagerState	Fetches state information for the Memory Manager.
	GetMemoryMap	Fetches the memory map.
	GetMinimumBlockAlignment	Gets the minimum memory block alignment.
	GetModuleFileName	Returns the fully qualified name for a module, given its handle.
	GetVariantManager	Returns the entry points of the routines that define variant behavior.
	Halt	Initiates abnormal termination of a program.
	Halt	Initiates abnormal termination of a program.
	Hi	Returns the high-order byte of X as an unsigned value.
	High	Returns the highest value in the range of an argument.
	Inc	Increments an ordinal value by one or N.
	Inc	Increments an ordinal value by one or N.
	Include	Adds an element to a Delphi set or adds an event handler in .NET applications.
	Initialize	Initializes a dynamically allocated variable.
	Initialize	Initializes a dynamically allocated variable.
	Insert	Inserts a substring into a string beginning at a specified point.
	Int	Returns the integer part of a real number.
	IOResult	Returns the status of the last I/O operation performed.
	IsMemoryManagerSet	Indicates whether the memory manager has been overridden using the SetMemoryManager procedure.
	IsVariantManagerSet	Indicates whether variant support is implemented in an application.
	Length	Returns the number of characters in a string or elements in an array.
	Ln	Returns the natural log of a real expression.
	Lo	Returns the low order Byte of argument X.
	LoadResourceModule	This is function System.LoadResourceModule.
	LoadResourceString	This is function System::LoadResourceString.
	LoadResString	This is function System.LoadResString.
	Low	Returns the lowest value in a range.
	Mark	This is function System.Mark.
	MemoryBarrier	This is function System.MemoryBarrier.
	MkDir	Creates a new subdirectory.
	MkDir	Creates a new subdirectory.
	MonitorEnter	Prohibits the access of all other threads but the calling one to the specified object.
	MonitorExit	Releases a lock of the calling thread on the specified object.
	MonitorPulse	Notifies the next thread in the waiting queue that it will be able to lock the specified object as soon as the calling thread releases it.
	MonitorPulseAll	Signals all threads in the waiting queue that either one of them will be able to lock the specified object as soon as the calling thread releases it.
	MonitorTryEnter	Attempts to lock the specified object, so that only the calling thread is able to access it.
	MonitorWait	Drops the lock on the specified object and puts the calling thread in the waiting queue for a specified amount of time.
	Move	Copies bytes from a source to a destination.
	MoveChars	Copies bytes from a source to a destination.
	New	Creates a new dynamic variable and sets P to point to it.
	Odd	Returns true if argument is an odd number.
	OleStrToString	Copies data received from a COM interface to a string.
	OleStrToStrVar	Copies a string from its COM representation to an existing Delphi string.
	OleStrToStrVar	Copies a string from its COM representation to an existing Delphi string.
	Ord	Returns the ordinal value of an ordinal-type expression.
	ParamCount	Returns the number of parameters passed on the command line.
	ParamStr	Returns a specified parameter from the command-line.
	Pi	Returns 3.1415926535897932385.
	Pos	Returns the index value of the first character in a specified substring that occurs in a given string.
	Pos	Returns the index value of the first character in a specified substring that occurs in a given string.
	Pos	Returns the index value of the first character in a specified substring that occurs in a given string.
	Pred	Returns the predecessor of the argument.
	Ptr	Converts a specified address to a pointer.
	PUCS4Chars	Converts a UCS4 string to a null-terminated array of UCS4 characters.
	RaiseList	This is function System.RaiseList.
	Random	Generates random numbers within a specified range.
	Random	Generates random numbers within a specified range.
	Randomize	Initializes the random number generator with a random value.
	Read	Read reads data from a file.
	Read	Read reads data from a file.
	Read	Read reads data from a file.
	Read	Read reads data from a file.
	ReadLn	Reads a line of text from a file.
	ReadLn	Reads a line of text from a file.
	ReadLn	Reads a line of text from a file.
	ReadLn	Reads a line of text from a file.
	ReallocMem	ReallocMem reallocates a memory block.
	ReallocMemory	ReallocMemory resizes a memory block.
	RegisterExpectedMemoryLeak	Registers an expected memory leak.
	RegisterModule	Registers the specified module.
	Release	This is function System.Release.
	ReleaseExceptionObject	Releases exception object acquired by AcquireExceptionObject.
	RemoveModuleUnloadProc	RemoveModuleUnloadProc removes a call to your defined routine when a package is unloaded.
	RemoveModuleUnloadProc	RemoveModuleUnloadProc removes a call to your defined routine when a package is unloaded.
	Rename	Changes the name of an external file.
	Rename	Changes the name of an external file.
	Reset	Opens an existing file.
	Reset	Opens an existing file.
	Reset	Opens an existing file.
	Reset	Opens an existing file.
	Rewrite	Creates a new file and opens it.
	Rewrite	Creates a new file and opens it.
	RmDir	Deletes an empty subdirectory.
	RmDir	Deletes an empty subdirectory.
	Round	Returns the value of X rounded to the nearest whole number.
	RunError	Stops execution and generates a runtime error.
	RunError	Stops execution and generates a runtime error.
	Seek	Moves the current position of a file to a specified component.
	SeekEof	Returns the end-of-file status of a file, ignoring whitespace.
	SeekEof	Returns the end-of-file status of a file, ignoring whitespace.
	SeekEoln	Returns the end-of-line status of a file, ignoring whitespace.
	SeekEoln	Returns the end-of-line status of a file, ignoring whitespace.
	Set8087CW	Sets both the control word in the floating point unit and the variable NoErrMsg declared in the system unit.
	SetCodePage	This is function System.SetCodePage.
	SetInOutRes	This is function System.SetInOutRes.
	SetLastError	SetLastError sets the last API error code.
	SetLength	Sets the length of a string or dynamic-array variable.
	SetLineBreakStyle	Determines the end-of-line and end-of-file conventions for text file I/O.
	SetMemoryManager	Sets entry points of the memory manager.
	SetMemoryManager	Sets entry points of the memory manager.
	SetMinimumBlockAlignment	Sets the minimum memory block alignment.
	SetMultiByteConversionCodePage	Sets the code page used internally whenever multibyte characters are converted to/from WideChar.
	SetRaiseList	This is function System.SetRaiseList.
	SetString	Sets the contents and length of the given string.
	SetTextBuf	Assigns an I/O buffer to a text file.
	SetTextBuf	Assigns an I/O buffer to a text file.
	SetVariantManager	Sets the entry points of routines that define variant behavior.
	ShareMemoryManager	Shares the module's memory manager.
	Sin	Returns the sine of the angle in radians.
	SizeOf	Returns the number of bytes occupied by a variable or type.
	Slice	Returns a sub-section of an array.
	Sqr	Returns the square of a number.
	Sqr	Returns the square of a number.
	Sqrt	Returns the square root of X.
	Str	Formats a string and returns it to a variable.
	Str	Formats a string and returns it to a variable.
	StringCodePage	Returns the code page associated with the string.
	StringCodePage	Returns the code page associated with the string.
	StringElementSize	Returns the number of bytes that represent a character in the string.
	StringElementSize	Returns the number of bytes that represent a character in the string.
	StringOfChar	Returns a string with a specified number of repeating characters.
	StringOfChar	Returns a string with a specified number of repeating characters.
	StringRefCount	Returns the reference count of a string.
	StringRefCount	Returns the reference count of a string.
	StringToOleStr	Allocates memory and copies an AnsiStringa string to the OLE format.
	StringToOleStr	Allocates memory and copies an AnsiStringa string to the OLE format.
	StringToWideChar	Returns a UNICODE string from an AnsiString.
	Succ	Returns the successor of an argument.
	Swap	Exchanges high order byte with the low order byte of an integer or word.
	SysAllocMem	This is function System.SysAllocMem.
	SysFreeMem	Frees the memory pointed to by a specified pointer.
	SysGetMem	Allocates a specified number of bytes and returns a pointer to them.
	SysReallocMem	Returns a pointer to a specified number of bytes, preserving the values pointed to by the Pointer parameter.
	SysRegisterExpectedMemoryLeak	This is function System.SysRegisterExpectedMemoryLeak.
	SysUnregisterExpectedMemoryLeak	This is function System.SysUnregisterExpectedMemoryLeak.
	TextStart	This is function System.TextStart.
	Trunc	Truncates a real number to an integer.
	Truncate	Deletes all the records after the current file position.
	UCS4StringToUnicodeString	Converts an UCS-4 encoded string to an Unicode string.
	UCS4StringToWideString	Converts a string of 4-byte Unicode characters into a WideString value.
	UnicodeStringToUCS4String	Converts an Unicode string to its UCS-4 encoded representation.
	UnicodeToUtf8	Converts a string of Unicode characters into a UTF-8 string.
	UnicodeToUtf8	Converts a string of Unicode characters into a UTF-8 string.
	UnicodeToUtf8	Converts a string of Unicode characters into a UTF-8 string.
	UnicodeToUtf8	Converts a string of Unicode characters into a UTF-8 string.
	UniqueString	Ensures that a given string has a reference count of one.
	UniqueString	Ensures that a given string has a reference count of one.
	UniqueString	Ensures that a given string has a reference count of one.
	UnregisterExpectedMemoryLeak	Unregisters an expected memory leak.
	UnregisterModule	Unregisters the specified module.
	UpCase	Converts a character to uppercase.
	UpCase	Converts a character to uppercase.
	UTF8Decode	Converts a UTF8 string to a Unicode string (WideString).
	UTF8Encode	Converts a WideString value to a UTF8 string.
	UTF8Encode	Converts a WideString value to a UTF8 string.
	UTF8Encode	Converts a WideString value to a UTF8 string.
	UTF8EncodeToShortString	Converts a string to its UTF-8 encoded representation.
	UTF8EncodeToShortString	Converts a string to its UTF-8 encoded representation.
	UTF8EncodeToShortString	Converts a string to its UTF-8 encoded representation.
	Utf8ToAnsi	Converts a UTF8 string to a string of Ansi characters.
	UTF8ToString	Converts an UTF-8 encoded string to a string.
	UTF8ToString	Converts an UTF-8 encoded string to a string.
	UTF8ToString	Converts an UTF-8 encoded string to a string.
	UTF8ToString	Converts an UTF-8 encoded string to a string.
	Utf8ToUnicode	Converts a string of UTF-8 characters to a Unicode string.
	Utf8ToUnicode	Converts a string of UTF-8 characters to a Unicode string.
	UTF8ToUnicodeString	Converts an UTF-8 encoded string to an Unicode string.
	UTF8ToUnicodeString	Converts an UTF-8 encoded string to an Unicode string.
	UTF8ToUnicodeString	Converts an UTF-8 encoded string to an Unicode string.
	UTF8ToWideString	Converts an UTF-8 encoded string to a WideString.
	Val	Converts a string to a numeric representation.
	VarArrayRedim	Resizes a Variant array.
	VarClear	Empties a Variant, so that it is unassigned.
	WideCharLenToString	Converts WideString characters to UnicodeString.
	WideCharLenToStrVar	WideCharLenToStrVar converts WideString characters to UnicodeString or AnsiString.
	WideCharLenToStrVar	WideCharLenToStrVar converts WideString characters to UnicodeString or AnsiString.
	WideCharToString	Converts null-terminated WideString string to UnicodeString.
	WideCharToStrVar	Converts WideString string to UnicodeString.
	WideStringToUCS4String	Converts a WideString value to a string of 4-byte Unicode characters.
	Write	Writes to either a typed file or a text file
	Write	Writes to either a typed file or a text file
	Write	Writes to either a typed file or a text file
	Write	Writes to either a typed file or a text file
	WriteLn	Writes to a text file and adds an end-of-line marker.
	WriteLn	Writes to a text file and adds an end-of-line marker.
	WriteLn	Writes to a text file and adds an end-of-line marker.
	WriteLn	Writes to a text file and adds an end-of-line marker.
	YieldProcessor	This is function System.YieldProcessor.

Interfaces

	Name	Description
	IComparable	IComparable is the generic interface used to compare two objects.
	IDispatch	IDispatch is the interface used to support Automation.
	IEnumerable	IEnumerable is the generic interface for enumerable containers.
	IEnumerator	IEnumerator is the generic interface for container enumerators.
	IEquatable	IEquatable is the generic interface used to check the equality of two objects.
	IInterface	IInterface is the base class for all interfaces defined in Delphi code.
	IInvokable	IInvokable is the base class for invokable interfaces.

Macros

Name	Description
USE	This is macro System::USE.
USEADDITIONALFILES	This is macro System::USEADDITIONALFILES.
USEASM	This is macro System::USEASM.
USEDATAMODULE	This is macro System::USEDATAMODULE.
USEDATAMODULENS	This is macro System::USEDATAMODULENS.
USEDEF	This is macro System::USEDEF.
USEFILE	This is macro System::USEFILE.
USEFORM	This is macro System::USEFORM.
USEFORMNS	This is macro System::USEFORMNS.
USEFORMRES	This is macro System::USEFORMRES.
USEIDL	This is macro System::USEIDL.
USELIB	This is macro System::USELIB.
USEOBJ	This is macro System::USEOBJ.
USEPACKAGE	This is macro System::USEPACKAGE.
USERC	This is macro System::USERC.
USERES	This is macro System::USERES.
USETLB	This is macro System::USETLB.
USEUNIT	This is macro System::USEUNIT.

Structs, Records, Enums

	Name	Description
	PackageInfoTable	A variable of type PackageInfoTable provides information on initializing or finalizing a series of package units.
	PackageUnitEntry	A variable of type PackageUnitEntry provides information on initializing or finalizing a package unit.
	TCallDesc	TCallDesc is the dispatch call descriptor for variants, and PCallDesc is a pointer to this descriptior.
	TChunkStatus	TChunkStatus enumerates the possible states of a chunk of memory.
	TCVModInfo	This is record System.TCVModInfo.
	TDispatchMessage	This is record System.TDispatchMessage.
	TDispDesc	This is record System.TDispDesc.
	TDynArrayTypeInfo	This is record System.TDynArrayTypeInfo.
	TFileRec	TFileRec is the internal format for typed and untyped files in the Delphi language.
	TGUID	TGUID is a structured form of the value that uniquely identifies an interface.
	THeapBlock	This is record System::THeapBlock.
	THeapStatus	System::THeapStatus represents information about the global heap.
	TInitContext	This is record System.TInitContext.
	TInterfaceEntry	TInterfaceEntry encapsulates the information needed to dispatch interface calls.
	TInterfaceTable	TInterfaceTable lists the interfaces that a class supports, and PInterfaceTable points to this list.
	TLibModule	System::TLibModule describes a module that is compiled with the application.
	TMemoryManager	System::TMemoryManager defines the memory block entry points.
	TMemoryManagerEx	System::TMemoryManagerEx defines extended memory block entry points.
	TMemoryManagerState	System::TMemoryManagerState holds statistics about memory allocations.
	TMethod	TMethod stores Code and Data fields to represent a method.
	TMinimumBlockAlignment	TMinimumBlockAlignment defines the mimimum byte alignment for memory block allocation.
	TModuleUnloadRec	This is record System::TModuleUnloadRec.
	TMonitorSupport	This is record System.TMonitorSupport.
	TResStringRec	This is record System::TResStringRec.
	TRuntimeError	TRuntimeError is an enumeration of internal runtime error codes.
	TSmallBlockTypeState	System::TSmallBlockTypeState holds statistics about a small memory block.
	TTextLineBreakStyle	TTextLineBreakStyle indicates the default set of characters used to divide lines in text.
	TTextRec	TTextRec is the internal format for text files.
	TVarArray	This is the descriptor type for safe arrays.
	TVarArrayBound	Gives bound information for one dimension of a safe array.
	TVarData	TVarData represents Variant information.
	TVariantManager	System::TVariantManager defines entry points for variant conversion routines and other procedures that define variant behavior.
	TVarRec	System::TVarRec is used inside a function with an untyped array parameter.
	TCallDesc	This is type System::TCallDesc.
	TDispDesc	This is type System::TDispDesc.

Types

Name	Description
CppLongInt	This is type System.CppLongInt.
CppULongInt	This is type System.CppULongInt.
GetPackageInfoTable	This is type System.GetPackageInfoTable.
HGLOBAL	This is type System.HGLOBAL.
HINST	This is type System.HINST.
HMODULE	This is type System.HMODULE.
HRESULT	This is type System.HRESULT.
HRSRC	This is type System.HRSRC.
Int16	Alias for SmallInt.
Int32	Alias for Integer.
Int8	Alias for ShortInt.
IntegerArray	This is type System.IntegerArray.
IUnknown	IUnknown is a special base interface.
PackageInfo	PackageInfo is a pointer to a PackageInfoTable variable.
PAnsiString	PAnsiString is a pointer to an AnsiString variable.
PBoolean	PBoolean is a pointer to a Boolean variable.
PByte	PByte is a pointer to a Byte variable.
PCallDesc	This is type System::PCallDesc.
PCardinal	PCardinal is a pointer to a Cardinal variable.
PComp	PComp is a pointer to a Comp variable.
PCurrency	PCurrency is a pointer to a Currency variable.
PCVModInfo	This is type System.PCVModInfo.
PDate	PDate is a pointer to a Date variable.
PDateTime	PDateTime is a pointer to a TDateTime variable.
PDispatch	This is type System.PDispatch.
PDispDesc	This is type System::PDispDesc.
PDouble	PDouble is a pointer to a Double variable.
PDynArrayTypeInfo	This is type System.PDynArrayTypeInfo.
PError	This is type System.PError.
PExtended	PExtended is a pointer to an Extended variable.
PGUID	PGUID is a pointer to a TGUID variable.
PInitContext	This is type System.PInitContext.
PInt64	PInt64 is a pointer to an Int64 variable.
PInteger	PInteger is a pointer to an Integer variable.
PIntegerArray	PIntegerArray is a pointer to an IntegerArray variable.
PInterfaceEntry	PInterfaceEntry is a pointer to a TInterfaceEntry variable.
PInterfaceTable	PInterfaceTable is a pointer to a TInterfaceTable variable.
PLibModule	PLibModule is a pointer to a System::TLibModule variable.
PLongint	PLongint is a pointer to a LongInt variable.
PLongWord	PLongWord is a pointer to a LongWord variable.
PMemoryManager	System::PMemoryManager is a pointer to a System::TMemoryManager variable.
PMemoryManagerEx	System::PMemoryManagerEx is a pointer to a System::TMemoryManagerEx variable.
PModuleUnloadRec	This is type System::PModuleUnloadRec.
PMonitor	This is type System.PMonitor.
PMonitorSupport	This is type System.PMonitorSupport.
PointerArray	This is type System.PointerArray.
POleVariant	POleVariant is a pointer to a System::OleVariant variable.
PPAnsiChar	This is type System.PPAnsiChar.
PPChar	This is type System.PPChar.
PPCharArray	This is type System.PPCharArray.
PPDispatch	This is type System.PPDispatch.
PPMonitor	This is type System.PPMonitor.
PPointer	PPointer is a pointer to a Pointer variable.
PPointerArray	PPointerArray is a pointer to a PointerArray variable.
PPUnknown	This is type System.PPUnknown.
PPWideChar	This is type System.PPWideChar.
PRawByteString	This is type System.PRawByteString.
PResStringRec	This is type System::PResStringRec.
PShortInt	PShortInt is a pointer to a ShortInt variable.
PShortString	PShortString is a pointer to a ShortString variable.
PSingle	PSingle is a pointer to a Single variable.
PSmallBlockTypeState	This is type System::PSmallBlockTypeState.
PSmallInt	PSmallInt is a pointer to a SmallInt variable.
PString	PString is a pointer to a String variable.
PTextBuf	This is type System.PTextBuf.
PUCS2Char	This is type System.PUCS2Char.
PUCS4Char	This is type System.PUCS4Char.
PUCS4CharArray	This is type System.PUCS4CharArray.
PUInt64	This is type System.PUInt64.
PUnicodeString	This is type System.PUnicodeString.
PUnitEntryTable	PUnitEntryTable is a pointer to a UnitEntryTable variable.
PUnknown	PUnknown is a pointer to an IUnknown variable.
PUTF8String	This is type System.PUTF8String.
PVarArray	Pointer type to a TVarArray.
PVarArrayBoundArray	This is type System.PVarArrayBoundArray.
PVarArrayCoorArray	Pointer type to a TVarArrayCoorArray.
PVarData	This is type System.PVarData.
PVariant	PVariant is a pointer to a System::Variant variable.
PVariantManager	This is type System::PVariantManager.
PVarRec	System::PVarRec is a pointer to a System::TVarRec variable.
PWideString	PWideString is a pointer to a WideString variable.
PWord	PWord is a pointer to a Word variable.
PWordBool	PWordBool is a pointer to a WordBool variable.
RawByteString	RawByteString enables the passing of string data of any code page without doing any codepage conversions.
ResourceString	This is type System::ResourceString.
TAssertErrorProc	This is type System.TAssertErrorProc.
TBooleanDynArray	This is type System::TBooleanDynArray.
TBoundArray	This is type System.TBoundArray.
TByteDynArray	This is type System::TByteDynArray.
TCardinalDynArray	This is type System::TCardinalDynArray.
TClass	TClass defines the metaclass for System::TObject.
TClassHelperBaseClass	This is type System.TClassHelperBaseClass.
TDate	TDate is used to represent a date.
TDateTime	TDateTime represents a date-and-time value in the Delphi language.
TDLLProc	This is type System.TDLLProc.
TDLLProcEx	This is type System.TDLLProcEx.
TDoubleDynArray	This is type System::TDoubleDynArray.
TEnumModuleFunc	This is type System.TEnumModuleFunc.
TEnumModuleFuncLW	This is type System.TEnumModuleFuncLW.
TFileIOFunc	This is type System.TFileIOFunc.
THandle	THandle is a general purpose data reference (handle).
TInt64DynArray	This is type System::TInt64DynArray.
TIntegerDynArray	This is type System::TIntegerDynArray.
TInterfacedClass	TInterfacedClass defines the metaclass for System::TInterfacedObject.
TLongWordDynArray	This is type System::TLongWordDynArray.
TMemoryMap	TMemoryMap is a map of an application's address space as an array of TChunkStatus values.
TModuleUnloadProc	TModuleUnloadProc defines a procedure that can be called during package unload.
TModuleUnloadProcLW	TModuleUnloadProcLW dehines a procedure that can be called during package unload.
TPCharArray	This is type System.TPCharArray.
TResourceHandle	This is type System.TResourceHandle.
TSafeCallErrorProc	This is type System.TSafeCallErrorProc.
TShortIntDynArray	This is type System::TShortIntDynArray.
TSingleDynArray	This is type System::TSingleDynArray.
TSmallBlockTypeStates	System::TSmallBlockTypeStates is an array of small memory block information records.
TSmallIntDynArray	This is type System::TSmallIntDynArray.
TStringDynArray	This is type System::TStringDynArray.
TSystemThreadEndProc	This is type System.TSystemThreadEndProc.
TSystemThreadFuncProc	This is type System.TSystemThreadFuncProc.
TTextBuf	This is type System.TTextBuf.
TTextIOFunc	This is type System.TTextIOFunc.
TThreadFunc	System::TThreadFunc defines a new thread of execution.
TTime	TTime is used to represent a time.
TUCS4CharArray	This is type System.TUCS4CharArray.
TVarArrayBoundArray	Gives bound information for all the dimensions of a safe array.
TVarArrayCoorArray	Gives the position of an element in a safe array.
TVarOp	TVarOp defines a Variant operation.
TVarType	This is type System.TVarType.
TWideStringDynArray	This is type System::TWideStringDynArray.
TWordDynArray	This is type System::TWordDynArray.
UCS2Char	This is type System.UCS2Char.
UCS4Char	UCS4Char is used for working with 4–byte Unicode characters.
UCS4String	UCS4String is used for working with 4–byte Unicode characters.
UInt16	Alias for Word.
UInt32	Alias for Cardinal.
UInt8	Alias for Byte.
UnitEntryTable	UnitEntryTable is an array type with entries of type PackageUnitEntry.
UTF8String	UTF8String represents UTF-8 encoded Unicode strings.

Variables

Name	Description
AbstractErrorProc	AbstractErrorProc defines a callback routine for abstract method call errors.
AllocMemCount	Represents the total number of allocated memory blocks in a Delphi application.
AllocMemSize	Represents the total size of allocated memory blocks.
AssertErrorProc	Points to the assertion error-handler.
CmdLine	Points to the command-line arguments specified when the application is invoked.
CmdShow	Specifies the flags for displaying the application's main window.
CPUCount	This is variable System.CPUCount.
DebugHook	DebugHook is set if an application is running under the IDE debugger.
Default8087CW	Specifies the Default 8087 control word.
DefaultSystemCodePage	This is variable System.DefaultSystemCodePage.
DefaultTextLineBreakStyle	Specifies the characters that are used by default to separate lines in text.
DefaultUnicodeCodePage	This is variable System.DefaultUnicodeCodePage.
DispCallByIDProc	This is variable System.DispCallByIDProc.
DLLProc	Points to a procedure invoked by a DLL entry point.
envp	This is variable System.envp.
ErrorAddr	Contains the address of a statement causing a runtime error.
ErrorProc	Points to the RTL runtime error handler.
ErrOutput	ErrOutput specifies a write-only Text file associated with the process's error output file.
ExceptClsProc	ExceptClsProc defines a pointer to a function called during exception handling.
ExceptionAcquired	This is variable System.ExceptionAcquired.
ExceptionClass	This is variable System.ExceptionClass.
ExceptObjProc	ExceptObjProc defines a pointer to a function called during exception handling.
ExceptProc	Points to the lowest-level exception handler.
ExitCode	Contains the application's exit code.
ExitProc	Points to a program's exit procedure (provided for backward compatibility).
ExitProcessProc	Specifies the last procedure to execute before the application shuts down.
FileMode	Indicates the access mode on typed and untyped files opened by the Reset procedure.
HeapAllocFlags	Indicates how the memory manager obtains memory from the operating system.
HPrevInst	This is variable System.HPrevInst.
InitProc	InitProc is the last installed initialization procedure.
Input	Specifies a read-only Text file associated with the processes standard Input file.
IsConsole	Indicates whether the module was compiled as a console application.
IsLibrary	Indicates whether the module is a shared library.
IsMultiThread	Indicates whether the application spawned additional threads using BeginThread or TThread objects.
JITEnable	Controls when the just-in-time debugger is called.
LibModuleList	Lists module records for enumeration procedures.
MainInstance	Indicates the instance handle for the main executable.
MainThreadID	Indicates the instance handle for the current module's main thread of execution.
ModuleUnloadList	This is variable System.ModuleUnloadList.
MonitorSupport	This is variable System.MonitorSupport.
NeverSleepOnMMThreadContention	Dictates memory manager behavior during a thread contention.
NoErrMsg	Controls whether the application displays an error message when a runtime error occurs.
Output	Specifies a write-only Text file associated with the process's standard output file.
RaiseExceptionProc	Points to RaiseException Windows function.
RaiseExceptObjProc	This is variable System.RaiseExceptObjProc.
RandSeed	RandSeed stores the built-in random number generator's seed.
ReportMemoryLeaksOnShutdown	Report memory leaks on shutdown.
RTLUnwindProc	This is variable System.RTLUnwindProc.
SafeCallErrorProc	SafeCallErrorProc defines a procedure that is called when a safecall routine incurs an error.
SystemThreadEndProc	This is variable System.SystemThreadEndProc.
SystemThreadFuncProc	This is variable System.SystemThreadFuncProc.
Test8086	This is variable System.Test8086.
Test8087	This is variable System.Test8087.
TestFDIV	This is variable System.TestFDIV.
UTF8CompareLocale	This is variable System.UTF8CompareLocale.
VarAddRefProc	The VarAddRefProc variable is used internally.
VarClearProc	The VarClearProc variable is used internally.
VarCopyProc	The VarCopyProc variable is used internally.
VarToLStrProc	The VarToLStrProc variable is used internally.
VarToWStrProc	The VarToWStrProc variable is used internally.

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