Class tmsestringfield

Unit

msedb

Declaration

type tmsestringfield = class(tstringfield, ifieldcomponent, imsefield)

Description

Hierarchy

• tstringfield
• tmsestringfield

Overview

Methods

	procedure readlookup(reader: treader);
	procedure defineproperties(filer: tfiler); override;
	function getasunicodestring: unicodestring; override;
	procedure setasunicodestring(const avalue: unicodestring); override;
	function getaswidestring: widestring; override;
	procedure setaswidestring(const avalue: widestring); override;
	procedure setismsestring(const getter: getmsestringdataty; const setter: setmsestringdataty; const acharacterlength: integer; const aisftwidestring: boolean);
	function GetDataSize: integer; override;
	function GetAsString: string; override;
	function GetAsVariant: variant; override;
	procedure SetAsString(const AValue: string); override;
	procedure SetVarValue(const AValue: Variant); override;
	procedure change; override;
	procedure SetDataset(AValue : TDataset); override;
	procedure dosetvalue(const sender: tobject; var avalue: msestring; var accept: boolean) override;
	destructor destroy; override;
	function HasParent: Boolean; override;
	procedure Clear; override;
	function assql: msestring;
	function asoldsql: msestring;
	function oldmsestring(out aisnull: boolean): msestring; overload;
	function oldmsestring: msestring; overload;
	function curmsestring(out aisnull: boolean): msestring; overload;
	function curmsestring: msestring; overload;

Properties

	property asnullmsestring: msestring read getasunicodestring write setasnullmsestring;
	property characterlength: integer read fcharacterlength;
	property isftwidestring: boolean read fisftwidestring;
	property defaultexpression: msestring read getdefaultexpression write setdefaultexpression;
	property DataSet stored false;
	property FieldKind default fkData;
	property HasConstraints default false;
	property LookupCache default false;
	property Transliterate default false;
	property onsetvalue: msestringfieldsetvalueeventty read fonsetvalue write fonsetvalue;

Description

Methods

	procedure readlookup(reader: treader);

	procedure defineproperties(filer: tfiler); override;

	function getasunicodestring: unicodestring; override;

	procedure setasunicodestring(const avalue: unicodestring); override;

	function getaswidestring: widestring; override;

	procedure setaswidestring(const avalue: widestring); override;

	procedure setismsestring(const getter: getmsestringdataty; const setter: setmsestringdataty; const acharacterlength: integer; const aisftwidestring: boolean);

	function GetDataSize: integer; override;

	function GetAsString: string; override;

	function GetAsVariant: variant; override;

	procedure SetAsString(const AValue: string); override;

	procedure SetVarValue(const AValue: Variant); override;

	procedure change; override;

	procedure SetDataset(AValue : TDataset); override;

	procedure dosetvalue(const sender: tobject; var avalue: msestring; var accept: boolean) override;

	destructor destroy; override;

	function HasParent: Boolean; override;

	procedure Clear; override;

	function assql: msestring;

	function asoldsql: msestring;

	function oldmsestring(out aisnull: boolean): msestring; overload;

	function oldmsestring: msestring; overload;

	function curmsestring(out aisnull: boolean): msestring; overload;

	function curmsestring: msestring; overload;

Properties

	property asnullmsestring: msestring read getasunicodestring write setasnullmsestring;

	property characterlength: integer read fcharacterlength;

	property isftwidestring: boolean read fisftwidestring;

	property defaultexpression: msestring read getdefaultexpression write setdefaultexpression;

	property DataSet stored false;

	property FieldKind default fkData;

	property HasConstraints default false;

	property LookupCache default false;

	property Transliterate default false;

	property onsetvalue: msestringfieldsetvalueeventty read fonsetvalue write fonsetvalue;

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