QBasic & Borland Pascal & C

home *** CD-ROM | disk | FTP | other *** search

/ QBasic & Borland Pascal & C / Delphi5.iso / Runimage / Delphi50 / Help / DEL5OP.TOC (.txt) < prev next >

Wrap

Microsoft Windows Help File Content | 1999-08-11 | 16.6 KB | 377 lines

:Base del5op.hlp>main :Title Object Pascal Language Guide 1 Object Pascal Reference 2 Overview 3 Object Pascal and Delphi=IDH_OP_overview 3 Program organization 4 Program organization: Overview=IDH_OP_programOrganization 4 Pascal source files=IDH_OP_pascalSourceFiles 4 Other files used to build applications=IDH_OP_otherFilesUsedtoBuildApplications 4 Compiler-generated files=IDH_OP_compilerGeneratedFiles 3 Example programs 4 About example programs=IDH_OP_examplePrograms 4 A simple console application=IDH_OP_simpleConsoleApplication 4 A more complicated example=IDH_OP_complicatedExample 4 A Windows application=IDH_OP_windowsApplication 2 Programs and units 3 Programs and units: Overview=IDH_OP_programsAndUnits 3 Program structure and syntax 4 Program structure and syntax: Overview=IDH_OP_programStructureAndSyntax 4 The program heading=IDH_OP_theProgramHeading 4 The program uses clause=IDH_OP_theProgramUsesClause 4 The block=IDH_OP_theBlock 3 Unit structure and syntax 4 Unit structure and syntax: Overview=IDH_OP_unitStructureAndSyntax 4 The unit heading=IDH_OP_theUnitHeading 4 The interface section=IDH_OP_theInterfaceSection 4 The implementation section=IDH_OP_theImplementationSection 4 The initialization section=IDH_OP_theInitializationSection 4 The finalization section=IDH_OP_theFinalizationSection 3 Unit references and the uses clause 4 Unit references and the uses clause=IDH_OP_unitReferencesAndTheUsesClause 4 The syntax of a uses clause=IDH_OP_theSyntaxOfAUsesClause 4 Multiple and indirect unit references=IDH_OP_multipleAndIndirectUnitReferences 4 Circular unit references=IDH_OP_circularUnitReferences 2 Syntactic elements 3 Syntactic elements: Overview=IDH_OP_syntacticElements 3 Fundamental syntactic elements 4 Fundamental syntactic elements: Overview=IDH_OP_fundamentalSyntacticElements 4 Special symbols=IDH_OP_specialSymbols 4 Identifiers=IDH_OP_identifiers 4 Reserved words=IDH_OP_reservedWords 4 Directives=IDH_OP_directives 4 Numerals=IDH_OP_numerals 4 Labels=IDH_OP_labels 4 Character strings=IDH_OP_characterStrings 2 Comments and compiler directives=IDH_OP_commentsAndCompilerDirectives 3 Expressions 4 About expressions=IDH_OP_expressions 4 Operators 5 About operators=IDH_OP_operators 5 Arithmetic operators=IDH_OP_arithmeticOperators 5 Boolean operators=IDH_OP_booleanOperators 5 Logical (bitwise) operators=IDH_OP_logicalOperators 5 String operators=IDH_OP_stringOperators 5 Pointer operators=IDH_OP_pointerOperators 5 Set operators=IDH_OP_setOperators 5 Relational operators=IDH_OP_relationalOperators 5 Class operators=IDH_OP_classOperators 5 The @ operator=IDH_OP_addressOperator 5 Operator precedence rules=IDH_OP_operatorPrecedenceRules 3 Function calls=IDH_OP_functionCalls 4 Set constructors=IDH_OP_setConstructors 4 Indexes=IDH_OP_indexes 4 Typecasts 5 Typecasts: Overview=IDH_OP_typecasts 5 Value typecasts=IDH_OP_valueTypecasts 5 Variable typecasts=IDH_OP_variableTypecasts 3 Declarations and statements 4 About declarations and statements=IDH_OP_declarationsAndStatements 4 Declarations=IDH_OP_declarations 4 Statements=IDH_OP_statements 4 Simple statements 5 Simple statements: Overview=IDH_OP_simpleStatements 5 Assignment statements=IDH_OP_assignmentStatements 5 Procedure and function calls=IDH_OP_procedureAndFunctionCalls 5 Goto statements=IDH_OP_gotoStatements 4 Structured statements 5 Structured statements: Overview=IDH_OP_structuredStatements 5 Compound statements=IDH_OP_compoundStatements 5 With statements=IDH_OP_withStatements 5 If statements=IDH_OP_ifStatements 5 Case statements=IDH_OP_caseStatements 5 Control loops=IDH_OP_controlLoops 5 Repeat statements=IDH_OP_repeatStatements 5 While statements=IDH_OP_whileStatements 5 For statements=IDH_OP_forStatements 3 Blocks and scope 4 Blocks and scope: Overview=IDH_OP_blocksAndScope 4 Blocks=IDH_OP_blocks 4 Scope=IDH_OP_scope 2 Data types, variables, and constants 3 Data types and variables: Overview=IDH_OP_datatypesVariablesAndConstants 3 About types=IDH_OP_aboutTypes 3 Simple types 4 Simple types: Overview=IDH_OP_simpleTypes 4 Ordinal types 5 Ordinal types: Overview=IDH_OP_ordinalTypes 5 Integer types=IDH_OP_integerTypes 5 Character types=IDH_OP_characterTypes 5 Boolean types=IDH_OP_booleanTypes 5 Enumerated types=IDH_OP_enumeratedTypes 5 Subrange types=IDH_OP_subrangeTypes 3 Real types=IDH_OP_realTypes 3 String types 4 About string types=IDH_OP_stringTypes 4 Short strings=IDH_OP_shortStrings 4 Long strings=IDH_OP_longStrings 4 Wide strings 5 WideString=IDH_OP_wideString 5 About extended character sets=IDH_OP_extendedCharacterSets 4 Null-terminated strings 5 Working with null-terminated strings=IDH_OP_nullTerminatedStrings 5 Using pointers, arrays, and string constants=IDH_OP_pointersArraysAndStringConstants 5 Mixing Pascal strings and null-terminated strings=IDH_OP_mixingPascalAndNullTerminatedStrings 3 Structured types 4 Structured types: Overview=IDH_OP_structuredTypes 4 Sets=IDH_OP_sets 4 Arrays 5 Arrays: Overview=IDH_OP_arrays 5 Static arrays=IDH_OP_staticArrays 5 Dynamic arrays=IDH_OP_dynamicArrays 5 Multidimensional dynamic arrays=IDH_OP_multidimensionalDynamicArrays 5 Array types and assignments=IDH_OP_arrayTypesAndAssignments 4 Records 5 About records=IDH_OP_records 5 Variant parts in records=IDH_OP_variantPartsInRecords 3 File types=IDH_OP_fileTypes 3 Pointers and pointer types 4 Pointers and pointer types=IDH_OP_pointersAndPointerTypes 4 Overview of pointers=IDH_OP_overviewOfPointers 4 Pointer types 5 About pointer types=IDH_OP_pointerTypes 5 Character pointers=IDH_OP_characterPointers 5 Other standard pointer types=IDH_OP_standardPointerTypes 3 Procedural types 4 Procedural types: Overview=IDH_OP_proceduralTypes 4 Procedural types in statements and expressions=IDH_OP_proceduralTypesInStatementsAndExpressions 3 Variant types 4 Variant types: Overview=IDH_OP_variantTypes 4 Variant type conversions=IDH_OP_variantTypeConversions 4 Variants in expressions=IDH_OP_variantsInExpressions 4 Variant arrays=IDH_OP_variantArrays 4 OleVariant=IDH_OP_oleVariant 3 Type compatibility and identity 4 Type compatibility and identity: Overview=IDH_OP_typeCompatibilityAndIdentity 4 Type identity=IDH_OP_typeIdentity 4 Type compatibility=IDH_OP_typeCompatibility 4 Assignment-compatibility=IDH_OP_assignmentCompatibility 3 Declaring types 4 Declaring types=IDH_OP_declaringTypes 3 Variables 4 Variables: Overview=IDH_OP_variables 4 Declaring variables 5 Declaring variables=IDH_OP_declaringVariables 5 Absolute addresses=IDH_OP_absoluteAddresses 5 Dynamic variables=IDH_OP_dynamicVariables 5 Thread-local variables=IDH_OP_threadLocalVariables 3 Declared constants 4 Constants: Overview=IDH_OP_constants 4 True constants 5 True constants=IDH_OP_trueConstants 5 Constant expressions=IDH_OP_constantExpressions 5 Resource strings=IDH_OP_resourceStrings 4 Typed constants 5 About typed constants=IDH_OP_typedConstants 5 Array constants=IDH_OP_arrayConstants 5 Record constants=IDH_OP_recordConstants 5 Procedural constants=IDH_OP_proceduralConstants 5 Pointer constants=IDH_OP_pointerConstants 2 Procedures and functions 3 Procedures and functions: Overview=IDH_OP_proceduresAndFunctions 3 Declaring procedures and functions 4 Declaring procedures and functions: Overview=IDH_OP_declaringProceduresAndFunctions 4 Procedure declarations=IDH_OP_declaringProcedures 4 Function declarations=IDH_OP_declaringFunctions 4 Calling conventions=IDH_OP_callingConventions 4 Forward and interface declarations=IDH_OP_forwardAndInterfaceDeclarations 4 External declarations=IDH_OP_externalDeclarations 4 Overloading procedures and functions=IDH_OP_overloadingProceduresAndFunctions 4 Local declarations=IDH_OP_localDeclarations 3 Parameters 4 Parameters: Overview=IDH_OP_parameters 4 Parameter semantics 5 Parameter semantics: Overview=IDH_OP_parameterSemantics 5 Value and variable parameters=IDH_OP_valueAndVariableParameters 5 Constant parameters=IDH_OP_constantParameters 5 Out parameters=IDH_OP_outParameters 5 Untyped parameters=IDH_OP_untypedParameters 4 String parameters 5 About string parameters=IDH_OP_stringParameters 4 Array parameters 5 Array parameters: Overview=IDH_OP_arrayParameters 5 Open array parameters=IDH_OP_openArrayParameters 5 Variant open array parameters=IDH_OP_variantOpenArrayParameters 4 Default parameters 5 Default parameters=IDH_OP_defaultParameters 5 Default parameters and overloaded routines=IDH_OP_defaultParametersAndOverloadedRoutines 5 Default parameters in forward and interface declarations=IDH_OP_defaultParametersInForwardAndInterfaceDeclarations 3 Calling procedures and functions 4 Calling procedures and functions=IDH_OP_callingProceduresAndFunctions 4 Open array constructors=IDH_OP_openArrayConstructors 2 Classes and objects 3 Classes and objects: Overview=IDH_OP_classesAndObjects 3 Class types 4 About class types=IDH_OP_classTypes 4 Inheritance and scope 5 Inheritance and scope=IDH_OP_inheritanceAndScope 5 TObject and TClass=IDH_OP_tobjectAndTClass 5 Compatibility of class types=IDH_OP_compatibilityOfClassTypes 5 Object types=IDH_OP_objectTypes 4 Visibility of class members 5 Visibility of class members=IDH_OP_visibilityOfClassMembers 5 Private, protected, and public members=IDH_OP_privateProtectedAndPublicMembers 5 Published members=IDH_OP_publishedMembers 5 Automated members=IDH_OP_automatedMembers 3 Forward declarations and mutually dependent classes=IDH_OP_forwardDeclarationsAndMutuallyDependentClasses 2 Fields=IDH_OP_fields 3 Methods 4 Methods: Overview=IDH_OP_methods 4 Method implementations 5 Method implementations=IDH_OP_methodImplementations 5 Inherited=IDH_OP_inherited 5 Self=IDH_OP_self 4 Method binding 5 Method binding: Overview=IDH_OP_methodBinding 5 Static methods=IDH_OP_staticMethods 5 Virtual and dynamic methods=IDH_OP_virtualAndDynamicMethods 5 Overriding versus hiding=IDH_OP_overridingVersusHiding 5 Reintroduce=IDH_OP_reintroduce 5 Abstract methods=IDH_OP_abstractMethods 3 Overloading methods=IDH_OP_overloadingMethods 4 Constructors=IDH_OP_constructors 4 Destructors=IDH_OP_destructors 4 Message handlers=IDH_OP_messageHandlers 3 Properties 4 Properties: Overview=IDH_OP_properties 4 Property access=IDH_OP_propertyAccess 4 Array properties=IDH_OP_arrayProperties 4 Index specifiers=IDH_OP_indexSpecifiers 4 Storage specifiers=IDH_OP_storageSpecifiers 4 Property overrides and redeclarations=IDH_OP_propertyOverridesAndRedeclarations 3 Class references 4 Class references: Overview=IDH_OP_classReferences 4 Class-reference types=IDH_OP_classReferenceTypes 4 Constructors and class references=IDH_OP_constructorsAndClassReferences 4 Class operators 5 Class operators: Overview=IDH_OP_overviewClassOperators 5 The is operator=IDH_OP_isOperator 5 The as operator=IDH_OP_asOperator 3 Class methods=IDH_OP_classMethods 3 Exceptions 4 Exceptions: Overview=IDH_OP_exceptions 4 Declaring exception types=IDH_OP_declaringExceptionTypes 4 Raising and handling exceptions 5 Raising and handling exceptions=IDH_OP_raisingAndHandlingExceptions 5 Try...except statements=IDH_OP_tryExceptStatements 5 Re-raising exceptions=IDH_OP_reraisingExceptions 5 Nested exceptions=IDH_OP_nestedExceptions 5 Try...finally statements=IDH_OP_tryFinallyStatements 3 Standard exception classes and routines=IDH_OP_standardExceptionClassesAndRoutines 2 Standard routines and I/O 3 Standard routines and I/O: Overview=IDH_OP_standardRoutinesAndIO 3 File input and output 4 File input and output=IDH_OP_fileIO 4 Text files=IDH_OP_textFiles 4 Untyped files=IDH_OP_untypedFiles 3Text-file device drivers 4 Text-file device drivers: Overview=IDH_OP_textFileDeviceDrivers 4 Device functions=IDH_OP_deviceFunctions 2 Handling null-terminated strings=IDH_OP_handlingNullTerminatedStrings 3 Other standard routines=IDH_OP_otherStandardRoutines 2 Dynamic-link libraries and packages 3 Dynamic-link libraries: Overview=IDH_OP_dynamicLinkLibrariesAndPackages 3 Calling DLLs 4 Calling DLLs=IDH_OP_callingDlls 4 Dynamic loading=IDH_OP_dynamicLoading 3 Writing DLLs 4 Writing DLLs=IDH_OP_writingDlls 4 The exports clause=IDH_OP_theExportsClause 4 Library initialization code=IDH_OP_libraryInitializationCode 4 Global variables in a DLL=IDH_OP_globalVariablesInADll 4 DLLs and System variables=IDH_OP_dllsAndSystemVariables 4 Exceptions and runtime errors in DLLs=IDH_OP_exceptionsAndRuntimeErrorsInDlls 4 The shared-memory manager=IDH_OP_theSharedMemoryManager 3 Packages 4 Packages: Overview=IDH_OP_packages 4 Package declarations and source files 5 Package declarations and source files=IDH_OP_packageDeclarationsAndSourceFiles 5 Naming packages=IDH_OP_namingPackages 5 The requires clause=IDH_OP_theRequiresClause 5 The contains clause=IDH_OP_theContainsClause 4 Compiling packages 5 Compiling packages: Overview=IDH_OP_compilingPackages 5 Generated files=IDH_OP_generatedFiles 5 Package-specific compiler directives=IDH_OP_packageSpecificCompilerDirectives 5 Package-specific command-line compiler switches=IDH_OP_packageSpecificCommandLineCompilerSwitches 2 Object interfaces 3 Object interfaces: Overview=IDH_OP_objectInterfaces 3 Interface types 4 Interface types: Overview=IDH_OP_interfaceTypes 4 IUnknown and inheritance=IDH_OP_iunknownAndInheritance 4 Interface identification=IDH_OP_interfaceIdentification 4 Calling conventions=IDH_OP_interfaceCallingConventions 4 Interface properties=IDH_OP_interfaceProperties 4 Forward declarations=IDH_OP_forwardDeclarations 3 Implementing interfaces 4 Implementing interfaces=IDH_OP_implementingInterfaces 4 Method resolution clauses=IDH_OP_methodResolutionClauses 4 Changing inherited implementations=IDH_OP_changingInheritedImplementations 4 Implementing interfaces by delegation 5 Implementing interfaces by delegation=IDH_OP_implementingInterfacesByDelegation 5 Delegating to an interface-type property=IDH_OP_delegatingToAnInterfaceTypeProperty 5 Delegating to a class-type property=IDH_OP_delegatingToAClassTypeProperty 3 Interface references 4 Interface references=IDH_OP_interfaceReferences 4 Interface assignment-compatibility=IDH_OP_interfaceAssignmentCompatibility 3 Interface typecasts=IDH_OP_interfaceTypecasts 3 Interface querying=IDH_OP_interfaceQuerying 3 Automation objects 4 Automation objects: Overview=IDH_OP_automationObjects 4 Dispatch interface types=IDH_OP_dispatchInterfaceTypes 4 Accessing Automation objects=IDH_OP_accessingAutomationObjects 4 Dual interfaces=IDH_OP_dualInterfaces 2 Memory management 3 Memory management: Overview=IDH_OP_memoryManagement 3 Variables=IDH_OP_variablesM 3 Integer types=IDH_OP_integerTypesM 3 Character types=IDH_OP_characterTypesM 3 Boolean types=IDH_OP_booleanTypesM 3 Enumerated types=IDH_OP_enumeratedTypesM 3 Real types=IDH_OP_realTypesM 3 Pointer types=IDH_OP_pointerTypesM 3 Short string types=IDH_OP_shortStringTypesM 3 Long string types=IDH_OP_longStringTypesM 3 Wide string types=IDH_OP_wideStringTypesM 3 Set types=IDH_OP_setTypesM 3 Static array types=IDH_OP_staticArrayTypesM 3 Dynamic array types=IDH_OP_dynamicArrayTypesM 3 Record types=IDH_OP_recordTypesM 3 File types=IDH_OP_fileTypesM 3 Procedural types=IDH_OP_proceduralTypesM 3 Class types=IDH_OP_classTypesM 3 Class reference types=IDH_OP_classReferenceTypesM 3 Variant types=IDH_OP_variantTypesM 2 Program control 3 Program control: Overview=IDH_OP_programControl 3 Parameters and function results 4 Parameters and function results: Overview=IDH_OP_parametersAndFunctionResults 4 Parameter passing=IDH_OP_parameterPassing 4 Function results=IDH_OP_functionResuts 4 Method calls=IDH_OP_methodCalls 4 Constructors and destructors=IDH_OP_constructorsAndDestructors 2 Exit procedures=IDH_OP_exitProcedures 2 Inline assembler code 3 Inline assembler code: Overview=IDH_OP_inlineAssemblerCode 3 The asm statement=IDH_OP_theAsmStatement 3 Assembler statement syntax 4 Assembler statement syntax=IDH_OP_assemblerStatementSyntax 4 Labels=IDH_OP_assemblerLabels 4 Instruction opcodes=IDH_OP_instructionOpcodes 4 Assembler directives=IDH_OP_assemblerDirectives 4 Operands=IDH_OP_operands 3 Expressions 4 Expressions: Overview=IDH_OP_assemblerExpressions 4 Differences between Object Pascal and assembler expressions=IDH_OP_differencesBetweenObjectPascalAndAssemblerExpressions 4 Expression elements 5 Expression elements: Overview=IDH_OP_expressionElements 5 Constants=IDH_OP_assemblerConstants 5 Registers=IDH_OP_registers 5 Symbols=IDH_OP_symbols 3 Expression classes=IDH_OP_expressionClasses 4 Expression types=IDH_OP_expressionTypes 4 Expression operators=IDH_OP_expressionOperators 2 Assembler procedures and functions=IDH_OP_assemblerProceduresAndFunctions 2 Object Pascal grammar 3 Formal grammar=IDH_OP_objectPascalGrammar