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Type	Name	Summary

Compiler Directive	$A	Determines whether data is aligned or packed
Compiler Directive	$Align	Determines whether data is aligned or packed
Compiler Directive	$AppType	Determines the application type : GUI or Console
Compiler Directive	$B	Whether to short cut and and or operations
Compiler Directive	$BoolEval	Whether to short cut and and or operations
Compiler Directive	$D	Determines whether application debug information is built
Compiler Directive	$DebugInfo	Determines whether application debug information is built
Compiler Directive	$Define	Defines a compiler directive symbol - as used by IfDef
Compiler Directive	$DefinitionInfo	Determines whether application symbol information is built
Compiler Directive	$Else	Starts the alternate section of an IfDef or IfNDef
Compiler Directive	$EndIf	Terminates conditional code compilation
Compiler Directive	$ExtendedSyntax	Controls some Pascal extension handling
Compiler Directive	$H	Treat string types as AnsiString or ShortString
Compiler Directive	$Hints	Determines whether Delphi shows compilation hints
Compiler Directive	$I	Allows code in an include file to be incorporated into a Unit
Compiler Directive	$IfDef	Executes code if a conditional symbol has been defined
Compiler Directive	$IfNDef	Executes code if a conditional symbol has not been defined
Compiler Directive	$IfOpt	Tests for the state of a Compiler directive
Compiler Directive	$Include	Allows code in an include file to be incorporated into a Unit
Compiler Directive	$IOChecks	When on, an IO operation error throws an exception
Compiler Directive	$L	Determines what application debug information is built
Compiler Directive	$LocalSymbols	Determines what application debug information is built
Compiler Directive	$LongStrings	Treat string types as AnsiString or ShortString
Compiler Directive	$MinEnumSize	Sets the minimum storage used to hold enumerated types
Compiler Directive	$O	Determines whether Delphi optimises code when compiling
Compiler Directive	$Optimization	Determines whether Delphi optimises code when compiling
Compiler Directive	$OverFlowChecks	Determines whether Delphi checks integer and enum bounds
Compiler Directive	$Q	Determines whether Delphi checks integer and enum bounds
Compiler Directive	$R	Determines whether Delphi checks array bounds
Compiler Directive	$RangeChecks	Determines whether Delphi checks array bounds
Compiler Directive	$ReferenceInfo	Determines whether symbol reference information is built
Compiler Directive	$Resource	Defines a resource file to be included in the application linking
Compiler Directive	$UnDef	Undefines a compiler directive symbol - as used by IfDef
Compiler Directive	$Warnings	Determines whether Delphi shows compilation warnings
Compiler Directive	$X	Controls some Pascal extension handling
Compiler Directive	$Y	Determines whether application symbol information is built
Compiler Directive	$Z	Sets the minimum storage used to hold enumerated types
Directive	Abstract	Defines a class method only implemented in subclasses
Variable	AbstractErrorProc	Defines a proc called when an abstract method is called
Function	Assigned	Returns true if a reference is not nil
Procedure	Beep	Make a beep sound
Directive	Default	Defines default processing for a property
Variable	ErrorAddr	Sets the error address when an application terminates
Variable	ExitCode	Sets the return code when an application terminates
Directive	Export	Makes a function or procedure in a DLL externally available
Function	GetLastError	Gives the error code of the last failing Windows API call
Procedure	GetLocaleFormatSettings	Gets locale values for thread-safe functions
Directive	Index	Principally defines indexed class data properties
Function	IOResult	Holds the return code of the last I/O operation
Keyword	Object	Allows a subroutine data type to refer to an object method
Directive	Out	Identifies a routine parameter for output only
Directive	Overload	Allows 2 or more routines to have the same name
Function	ParamCount	Gives the number of parameters passed to the current program
Function	ParamStr	Returns one of the parameters used to run the current program
Procedure	RunError	Terminates the program with an error dialog

Run Time Library Reference

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	Operations Conversions from Conversions to Displaying
Numbers and sets
	Calculations Conversions from Conversions to Trigonometry Default numbers Displaying
Dates and Times
	Calculations Conversions from Conversions to Values Displaying

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