Class TDataLink

Description
Hierarchy
Methods
Properties

Unit

mdb

Declaration

type TDataLink = class(TPersistent)

Description

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Hierarchy

Overview

Methods

Protected function datasourcereadonly(): boolean virtual;
Protected procedure updateactive();
Protected procedure ActiveChanged; virtual;
Protected procedure CheckBrowseMode; virtual;
Protected procedure DataEvent(Event: TDataEvent; Info: Ptrint); virtual;
Protected procedure DataSetChanged; virtual;
Protected procedure DataSetScrolled(Distance: Integer); virtual;
Protected procedure EditingChanged; virtual;
Protected procedure FocusControl(Field: TFieldRef); virtual;
Protected function GetActiveRecord: Integer; virtual;
Protected function GetBOF: Boolean; virtual;
Protected function GetBufferCount: Integer; virtual;
Protected function GetEOF: Boolean; virtual;
Protected function GetRecordCount: Integer; virtual;
Protected procedure LayoutChanged; virtual;
Protected function MoveBy(Distance: Integer): Integer; virtual;
Protected procedure RecordChanged(Field: TField); virtual;
Protected procedure SetActiveRecord(Value: Integer); virtual;
Protected procedure SetBufferCount(Value: Integer); virtual;
Protected procedure UpdateData; virtual;
Public constructor Create;
Public destructor Destroy; override;
Public function Edit: Boolean;
Public procedure UpdateRecord;
Public function ExecuteAction(Action: TBasicAction): Boolean; virtual;
Public function UpdateAction(Action: TBasicAction): Boolean; virtual;

Properties

Protected property VisualControl: Boolean read FVisualControl write FVisualControl;
Protected property FirstRecord: Integer read FFirstRecord write FFirstRecord;
Public property Active: Boolean read getactive;
Public property ActiveRecord: Integer read GetActiveRecord write SetActiveRecord;
Public property BOF: Boolean read GetBOF;
Public property BufferCount: Integer read GetBufferCount write SetBufferCount;
Public property DataSet: TDataSet read GetDataSet;
Public property DataSource: TDataSource read FDataSource write SetDataSource;
Public property DataSourceFixed: Boolean read FDataSourceFixed write FDataSourceFixed;
Public property Editing: Boolean read FEditing;
Public property Eof: Boolean read GetEOF;
Public property ReadOnly: Boolean read getreadonly write SetReadOnly;
Public property RecordCount: Integer read GetRecordCount;

Description

Methods

Protected function datasourcereadonly(): boolean virtual;

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Protected procedure updateactive();

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Protected procedure ActiveChanged; virtual;

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Protected procedure CheckBrowseMode; virtual;

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Protected procedure DataEvent(Event: TDataEvent; Info: Ptrint); virtual;

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Protected procedure DataSetChanged; virtual;

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Protected procedure DataSetScrolled(Distance: Integer); virtual;

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Protected procedure EditingChanged; virtual;

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Protected procedure FocusControl(Field: TFieldRef); virtual;

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Protected function GetActiveRecord: Integer; virtual;

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Protected function GetBOF: Boolean; virtual;

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Protected function GetBufferCount: Integer; virtual;

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Protected function GetEOF: Boolean; virtual;

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Protected function GetRecordCount: Integer; virtual;

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Protected procedure LayoutChanged; virtual;

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Protected function MoveBy(Distance: Integer): Integer; virtual;

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Protected procedure RecordChanged(Field: TField); virtual;

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Protected procedure SetActiveRecord(Value: Integer); virtual;

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Protected procedure SetBufferCount(Value: Integer); virtual;

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Protected procedure UpdateData; virtual;

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Public constructor Create;

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Public destructor Destroy; override;

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Public function Edit: Boolean;

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Public procedure UpdateRecord;

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Public function ExecuteAction(Action: TBasicAction): Boolean; virtual;

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Public function UpdateAction(Action: TBasicAction): Boolean; virtual;

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Properties

Protected property VisualControl: Boolean read FVisualControl write FVisualControl;

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Protected property FirstRecord: Integer read FFirstRecord write FFirstRecord;

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Public property Active: Boolean read getactive;

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Public property ActiveRecord: Integer read GetActiveRecord write SetActiveRecord;

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Public property BOF: Boolean read GetBOF;

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Public property BufferCount: Integer read GetBufferCount write SetBufferCount;

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Public property DataSet: TDataSet read GetDataSet;

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Public property DataSource: TDataSource read FDataSource write SetDataSource;

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Public property DataSourceFixed: Boolean read FDataSourceFixed write FDataSourceFixed;

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Public property Editing: Boolean read FEditing;

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Public property Eof: Boolean read GetEOF;

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Public property ReadOnly: Boolean read getreadonly write SetReadOnly;

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Public property RecordCount: Integer read GetRecordCount;

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