Unit mclasses

Description
Classes, Interfaces, Objects and Records
Functions and Procedures
Types
Constants

Description

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Overview

Classes, Interfaces, Objects and Records

Name Description
Class tpersistent  
Class tcomponent  
Class TCollectionItem  
Class TCollectionEnumerator  
Class TCollection  
Class TOwnedCollection  
Class tfiler  
Class TAbstractObjectReader  
Class TBinaryObjectReader  
Class treader  
Class TAbstractObjectWriter  
Class TBinaryObjectWriter  
Class twriter  
Class TStringsEnumerator  
Class tstrings  
Class tstringlist  
Class TStream  
Class THandleStream  
Class TFileStream  
Class TCustomMemoryStream  
Class TMemoryStream  
Class TStringStream  
Class TOwnerStream  

Functions and Procedures

procedure RegisterFindGlobalComponentProc(AFindGlobalComponent: TFindGlobalComponent);
procedure UnregisterFindGlobalComponentProc(AFindGlobalComponent: TFindGlobalComponent);
function FindGlobalComponent(const Name: string): TComponent;
function InitInheritedComponent(Instance: TComponent; RootAncestor: TClass): Boolean;
function InitComponentRes(const ResName: string; Instance: TComponent): Boolean;
function ReadComponentRes(const ResName: string; Instance: TComponent): TComponent;
function ReadComponentResEx(HInstance: THandle; const ResName: string): TComponent;
function ReadComponentResFile(const FileName: string; Instance: TComponent): TComponent;
procedure WriteComponentResFile(const FileName: string; Instance: TComponent);
procedure RegisterInitComponentHandler(ComponentClass: TComponentClass; Handler: TInitComponentHandler);
procedure GlobalFixupReferences;
procedure GetFixupReferenceNames(Root: TComponent; Names: TStrings);
procedure GetFixupInstanceNames(Root: TComponent; const ReferenceRootName: string; Names: TStrings);
procedure RedirectFixupReferences(Root: TComponent; const OldRootName, NewRootName: string);
procedure RemoveFixupReferences(Root: TComponent; const RootName: string);
procedure RemoveFixups(Instance: TPersistent);
Function FindNestedComponent(Root : TComponent; APath : String; CStyle : Boolean = True) : TComponent;
procedure BeginGlobalLoading;
procedure NotifyGlobalLoading;
procedure EndGlobalLoading;
procedure beginsuspendgloballoading;
procedure endsuspendgloballoading;
function CollectionsEqual(C1, C2: TCollection): Boolean; overload;
function CollectionsEqual(C1, C2: TCollection; Owner1, Owner2: TComponent): Boolean; overload;
procedure RegisterClass(AClass: TPersistentClass);
procedure RegisterClasses(AClasses: array of TPersistentClass);
procedure RegisterClassAlias(AClass: TPersistentClass; const Alias: string);
procedure UnRegisterClass(AClass: TPersistentClass);
procedure UnRegisterClasses(AClasses: array of TPersistentClass);
procedure UnRegisterModuleClasses(Module: HMODULE);
function FindClass(const AClassName: string): TPersistentClass;
function GetClass(const AClassName: string): TPersistentClass;
function ExtractStrings(Separators, WhiteSpace: TSysCharSet; Content: PChar; Strings: TStrings): Integer;
function ExtendedToDouble(e : pointer) : double;
procedure DoubleToExtended(d : double; e : pointer);

Types

ar8ty = array[0..7] of byte;
TTextLineBreakStyle = (...);
TValueType = (...);
TReaderProc = procedure(Reader: treader) of object;
TWriterProc = procedure(Writer: twriter) of object;
TStreamProc = procedure(Stream: TStream) of object;
TPersistentClass = class of TPersistent;
TGetChildProc = procedure (Child: TComponent) of object;
TComponentClass = class of TComponent;
pcomponent = ˆtcomponent;
TCollectionItemClass = class of TCollectionItem;
TCollectionSortCompare = function (Item1, Item2: TCollectionItem): Integer;
TFindMethodEvent = procedure(Reader: TReader; const MethodName: string; var Address: Pointer; var Error: Boolean) of object;
TSetMethodPropertyEvent = procedure(Reader: TReader; Instance: TPersistent; PropInfo: PPropInfo; const TheMethodName: string; var Handled: boolean) of object;
TSetNameEvent = procedure(Reader: TReader; Component: TComponent; var Name: string) of object;
TReferenceNameEvent = procedure(Reader: TReader; var Name: string) of object;
TAncestorNotFoundEvent = procedure(Reader: TReader; const ComponentName: string; ComponentClass: TPersistentClass; var Component: TComponent) of object;
TReadComponentsProc = procedure(Component: TComponent) of object;
TReaderError = procedure(Reader: TReader; const Message: string; var Handled: Boolean) of object;
TPropertyNotFoundEvent = procedure(Reader: TReader; Instance: TPersistent; var PropName: string; IsPath: boolean; var Handled, Skip: Boolean) of object;
TFindComponentClassEvent = procedure(Reader: TReader; const ClassName: string; var ComponentClass: TComponentClass) of object;
TCreateComponentEvent = procedure(Reader: TReader; ComponentClass: TComponentClass; var Component: TComponent) of object;
TReadWriteStringPropertyEvent = procedure(Sender:TObject; const Instance: TPersistent; PropInfo: PPropInfo; var Content:string) of object;
TFindAncestorEvent = procedure (Writer: TWriter; Component: TComponent; const Name: string; var Ancestor, RootAncestor: TComponent) of object;
TWriteMethodPropertyEvent = procedure (Writer: TWriter; Instance: TPersistent; PropInfo: PPropInfo; const MethodValue, DefMethodValue: TMethod; var Handled: boolean) of object;
enumerroreventty = procedure (const reader: treader; const atype: ptypeinfo; const aenumname: string; var avalue: longword) of object;
seterroreventty = procedure (const reader: treader; const atype: ptypeinfo; const aitemname: string; var avalue: integer) of object;
TStringListSortCompare = function(List: tstringlist; Index1, Index2: Integer): Integer;
TFindGlobalComponent = function(const Name: string): TComponent;
TInitComponentHandler = function(Instance: TComponent; RootAncestor : TClass): boolean;

Constants

feInvalidHandle : THandle = THandle(-1);
SStreamNoReading = 'Reading from %s is not supported';
SStreamNoWriting = 'Writing to %s is not supported';
SRangeError = 'Range error';
SStreamInvalidSeek = 'Invalid stream operation %s.Seek';
SEmptyStreamIllegalReader = 'Illegal Nil stream for TReader constructor';
SEmptyStreamIllegalWriter = 'Illegal Nil stream for TWriter constructor';
SErrNoVariantSupport = 'No variant support for properties. Please use the variants unit in your project and recompile';
SUnsupportedPropertyVariantType = 'Unsupported property variant type %d';
SUnknownPropertyType = 'Unknown property type %d';
FilerSignature : Array[1..4] of char = 'TPF0';

Description

Functions and Procedures

procedure RegisterFindGlobalComponentProc(AFindGlobalComponent: TFindGlobalComponent);

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procedure UnregisterFindGlobalComponentProc(AFindGlobalComponent: TFindGlobalComponent);

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function FindGlobalComponent(const Name: string): TComponent;

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function InitInheritedComponent(Instance: TComponent; RootAncestor: TClass): Boolean;

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function InitComponentRes(const ResName: string; Instance: TComponent): Boolean;

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function ReadComponentRes(const ResName: string; Instance: TComponent): TComponent;

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function ReadComponentResEx(HInstance: THandle; const ResName: string): TComponent;

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function ReadComponentResFile(const FileName: string; Instance: TComponent): TComponent;

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procedure WriteComponentResFile(const FileName: string; Instance: TComponent);

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procedure RegisterInitComponentHandler(ComponentClass: TComponentClass; Handler: TInitComponentHandler);

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procedure GlobalFixupReferences;

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procedure GetFixupReferenceNames(Root: TComponent; Names: TStrings);

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procedure GetFixupInstanceNames(Root: TComponent; const ReferenceRootName: string; Names: TStrings);

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procedure RedirectFixupReferences(Root: TComponent; const OldRootName, NewRootName: string);

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procedure RemoveFixupReferences(Root: TComponent; const RootName: string);

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procedure RemoveFixups(Instance: TPersistent);

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Function FindNestedComponent(Root : TComponent; APath : String; CStyle : Boolean = True) : TComponent;

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procedure BeginGlobalLoading;

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procedure NotifyGlobalLoading;

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procedure EndGlobalLoading;

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procedure beginsuspendgloballoading;

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procedure endsuspendgloballoading;

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function CollectionsEqual(C1, C2: TCollection): Boolean; overload;

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function CollectionsEqual(C1, C2: TCollection; Owner1, Owner2: TComponent): Boolean; overload;

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procedure RegisterClass(AClass: TPersistentClass);

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procedure RegisterClasses(AClasses: array of TPersistentClass);

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procedure RegisterClassAlias(AClass: TPersistentClass; const Alias: string);

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procedure UnRegisterClass(AClass: TPersistentClass);

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procedure UnRegisterClasses(AClasses: array of TPersistentClass);

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procedure UnRegisterModuleClasses(Module: HMODULE);

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function FindClass(const AClassName: string): TPersistentClass;

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function GetClass(const AClassName: string): TPersistentClass;

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function ExtractStrings(Separators, WhiteSpace: TSysCharSet; Content: PChar; Strings: TStrings): Integer;

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function ExtendedToDouble(e : pointer) : double;

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procedure DoubleToExtended(d : double; e : pointer);

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Types

ar8ty = array[0..7] of byte;

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TTextLineBreakStyle = (...);

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Values
  • tlbsLF
  • tlbsCRLF
  • tlbsCR
TValueType = (...);

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Values
  • vaNull
  • vaList
  • vaInt8
  • vaInt16
  • vaInt32
  • vaExtended
  • vaString
  • vaIdent
  • vaFalse
  • vaTrue
  • vaBinary
  • vaSet
  • vaLString
  • vaNil
  • vaCollection
  • vaSingle
  • vaCurrency
  • vaDate
  • vaWString
  • vaInt64
  • vaUTF8String
  • vaUString
  • vaQWord
TReaderProc = procedure(Reader: treader) of object;

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TWriterProc = procedure(Writer: twriter) of object;

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TStreamProc = procedure(Stream: TStream) of object;

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TPersistentClass = class of TPersistent;

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TGetChildProc = procedure (Child: TComponent) of object;

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TComponentClass = class of TComponent;

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pcomponent = ˆtcomponent;

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TCollectionItemClass = class of TCollectionItem;

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TCollectionSortCompare = function (Item1, Item2: TCollectionItem): Integer;

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TFindMethodEvent = procedure(Reader: TReader; const MethodName: string; var Address: Pointer; var Error: Boolean) of object;

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TSetMethodPropertyEvent = procedure(Reader: TReader; Instance: TPersistent; PropInfo: PPropInfo; const TheMethodName: string; var Handled: boolean) of object;

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TSetNameEvent = procedure(Reader: TReader; Component: TComponent; var Name: string) of object;

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TReferenceNameEvent = procedure(Reader: TReader; var Name: string) of object;

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TAncestorNotFoundEvent = procedure(Reader: TReader; const ComponentName: string; ComponentClass: TPersistentClass; var Component: TComponent) of object;

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TReadComponentsProc = procedure(Component: TComponent) of object;

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TReaderError = procedure(Reader: TReader; const Message: string; var Handled: Boolean) of object;

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TPropertyNotFoundEvent = procedure(Reader: TReader; Instance: TPersistent; var PropName: string; IsPath: boolean; var Handled, Skip: Boolean) of object;

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TFindComponentClassEvent = procedure(Reader: TReader; const ClassName: string; var ComponentClass: TComponentClass) of object;

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TCreateComponentEvent = procedure(Reader: TReader; ComponentClass: TComponentClass; var Component: TComponent) of object;

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TReadWriteStringPropertyEvent = procedure(Sender:TObject; const Instance: TPersistent; PropInfo: PPropInfo; var Content:string) of object;

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TFindAncestorEvent = procedure (Writer: TWriter; Component: TComponent; const Name: string; var Ancestor, RootAncestor: TComponent) of object;

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TWriteMethodPropertyEvent = procedure (Writer: TWriter; Instance: TPersistent; PropInfo: PPropInfo; const MethodValue, DefMethodValue: TMethod; var Handled: boolean) of object;

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enumerroreventty = procedure (const reader: treader; const atype: ptypeinfo; const aenumname: string; var avalue: longword) of object;

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seterroreventty = procedure (const reader: treader; const atype: ptypeinfo; const aitemname: string; var avalue: integer) of object;

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TStringListSortCompare = function(List: tstringlist; Index1, Index2: Integer): Integer;

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TFindGlobalComponent = function(const Name: string): TComponent;

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TInitComponentHandler = function(Instance: TComponent; RootAncestor : TClass): boolean;

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Constants

feInvalidHandle : THandle = THandle(-1);

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SStreamNoReading = 'Reading from %s is not supported';

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SStreamNoWriting = 'Writing to %s is not supported';

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SRangeError = 'Range error';

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SStreamInvalidSeek = 'Invalid stream operation %s.Seek';

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SEmptyStreamIllegalReader = 'Illegal Nil stream for TReader constructor';

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SEmptyStreamIllegalWriter = 'Illegal Nil stream for TWriter constructor';

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SErrNoVariantSupport = 'No variant support for properties. Please use the variants unit in your project and recompile';

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SUnsupportedPropertyVariantType = 'Unsupported property variant type %d';

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SUnknownPropertyType = 'Unknown property type %d';

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FilerSignature : Array[1..4] of char = 'TPF0';

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