Class tcustomlookupbuffer
Unit
Declaration
type tcustomlookupbuffer = class(tactcomponent)
Description
No description available, ancestor tactcomponent description follows
No description available, ancestor tmsecomponent description follows
Hierarchy
- TObject
- TPersistent
- tcomponent
- tmsecomponent
- tactcomponent
- tcustomlookupbuffer
Overview
Fields
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fupdating: integer; |
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fcount: integer; |
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fstate: lookupbufferstatesty; |
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ftextdata: stringindexinfoarty; |
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fintegerdata: integerindexinfoarty; |
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ffloatdata: floatindexinfoarty; |
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fint64data: int64indexinfoarty; |
Methods
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function getfieldcounttext: integer; virtual; |
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function getfieldcountinteger: integer; virtual; |
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function getfieldcountfloat: integer; virtual; |
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function getfieldcountint64: integer; virtual; |
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procedure setfieldcounttext(const avalue: integer); virtual; |
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procedure setfieldcountinteger(const avalue: integer); virtual; |
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procedure setfieldcountfloat(const avalue: integer); virtual; |
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procedure setfieldcountint64(const avalue: integer); virtual; |
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procedure invalidatebuffer; |
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procedure readonlyprop; |
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procedure changed; |
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procedure asyncchanged; |
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procedure doasyncevent(var atag: integer); override; |
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procedure setcount(const avalue: integer); |
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procedure loaded; override; |
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function checkfilter(const filter: lbfiltereventty; const index: integerarty; var aindex: integer): boolean; |
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procedure checkindexar(var aitem: integerindexinfoty); overload; |
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procedure checkindexar(var aitem: floatindexinfoty); overload; |
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procedure checkindexar(var aitem: int64indexinfoty); overload; |
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procedure checkindexar(var aitem: stringindexinfoty; const caseinsensitive: boolean); overload; |
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procedure checkarrayindex(const value; const index: integer); |
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procedure doloadbuffer() virtual; |
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constructor create(aowner: tcomponent); override; |
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destructor destroy; override; |
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procedure beginupdate; |
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procedure endupdate; |
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procedure clearbuffer; virtual; |
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procedure checkbuffer; |
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procedure loadbuffer; |
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function find(const fieldno: integer; const avalue: integer; out aindex: integer; const filter: lbfiltereventty = nil): boolean; overload; |
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function find(const fieldno: integer; const avalue: realty; out aindex: integer; const filter: lbfiltereventty = nil): boolean; overload; |
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function find(const fieldno: integer; const avalue: int64; out aindex: integer; const filter: lbfiltereventty = nil): boolean; overload; |
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function find(const fieldno: integer; const avalue: msestring; out aindex: integer; const caseinsensitive: boolean; const filter: lbfiltereventty = nil): boolean; overload; |
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function findphys(const fieldno: integer; const avalue: integer; out aindex: integer; const filter: lbfiltereventty = nil): boolean; overload; |
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function findphys(const fieldno: integer; const avalue: realty; out aindex: integer; const filter: lbfiltereventty = nil): boolean; overload; |
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function findphys(const fieldno: integer; const avalue: int64; out aindex: integer; const filter: lbfiltereventty = nil): boolean; overload; |
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function findphys(const fieldno: integer; const avalue: msestring; out aindex: integer; const caseinsensitive: boolean; const filter: lbfiltereventty = nil): boolean; overload; |
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function integervaluephys(const fieldno,aindex: integer): integer; |
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function integervaluelog(const fieldno,aindex: integer): integer; |
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function integerindex(const fieldno,aindex: integer): integer; |
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function integerindexar(const fieldno: integer): integerarty; |
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function integerar(const fieldno: integer): integerarty; |
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function floatvaluephys(const fieldno,aindex: integer): realty; |
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function floatvaluelog(const fieldno,aindex: integer): realty; |
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function floatindex(const fieldno,aindex: integer): integer; |
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function floatindexar(const fieldno: integer): integerarty; |
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function floatar(const fieldno: integer): realarty; |
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function int64valuephys(const fieldno,aindex: integer): int64; |
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function int64valuelog(const fieldno,aindex: integer): int64; |
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function int64index(const fieldno,aindex: integer): integer; |
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function int64indexar(const fieldno: integer): integerarty; |
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function int64ar(const fieldno: integer): int64arty; |
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function textvaluephys(const fieldno,aindex: integer): msestring; |
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function textvaluelog(const fieldno,aindex: integer; const caseinsensitive: boolean): msestring; |
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function textindex(const fieldno,aindex: integer; const caseinsensitive: boolean): integer; |
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function textindexar(const fieldno: integer; const caseinsensitive: boolean): integerarty; |
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function textar(const fieldno: integer): msestringarty; |
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function lookupinteger(const integerkeyfieldno,integerfieldno, keyvalue: integer; const adefault: integer = 0): integer; overload; |
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function lookupinteger(const int64keyfieldno,integerfieldno: integer; const keyvalue: int64; const adefault: integer = 0): integer; overload; |
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function lookupinteger(const stringkeyfieldno,integerfieldno: integer; const keyvalue: msestring; const adefault: integer = 0): integer; overload; |
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function lookupint64(const integerkeyfieldno,int64fieldno, keyvalue: integer; const adefault: int64 = 0): int64; overload; |
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function lookupint64(const int64keyfieldno,int64fieldno: integer; const keyvalue: int64; const adefault: int64 = 0): int64; overload; |
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function lookupint64(const stringkeyfieldno,int64fieldno: integer; const keyvalue: msestring; const adefault: int64 = 0): int64; overload; |
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function lookuptext(const integerkeyfieldno,textfieldno, keyvalue: integer; const adefault: msestring = ''): msestring; overload; |
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function lookuptext(const int64keyfieldno,textfieldno: integer; const keyvalue: int64; const adefault: msestring = ''): msestring; overload; |
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function lookuptext(const stringkeyfieldno,textfieldno: integer; const keyvalue: msestring; const adefault: msestring = ''): msestring; overload; |
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function lookupfloat(const integerkeyfieldno,floatfieldno,keyvalue: integer; const adefault: realty = emptyreal): realty; overload; |
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function lookupfloat(const int64keyfieldno,floatfieldno: integer; const keyvalue: int64; const adefault: realty = emptyreal): realty; overload; |
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function lookupfloat(const stringkeyfieldno,floatfieldno: integer; const keyvalue: msestring; const adefault: realty = emptyreal): realty; overload; |
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function count: integer; virtual; |
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procedure addrow(const integervalues: array of integer; const textvalues: array of msestring; const floatvalues: array of realty; const int64values: array of int64); |
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procedure addrows(const integervalues: array of integerarty; const textvalues: array of msestringarty; const floatvalues: array of realarty; const int64values: array of int64arty); |
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function fieldnamestext: stringarty; virtual; |
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function fieldnamesfloat: stringarty; virtual; |
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function fieldnamesinteger: stringarty; virtual; |
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function fieldnamesint64: stringarty; virtual; |
Properties
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property fieldcounttext: integer read getfieldcounttext
write setfieldcounttext default 0; |
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property fieldcountfloat: integer read getfieldcountfloat
write setfieldcountfloat default 0; |
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property fieldcountinteger: integer read getfieldcountinteger
write setfieldcountinteger default 0; |
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property fieldcountint64: integer read getfieldcountint64
write setfieldcountint64 default 0; |
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property integervalue[constfieldno,aindex:integer]: integer
read integervaluephys; |
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property floatvalue[constfieldno,aindex:integer]: realty
read floatvaluephys; |
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property int64value[constfieldno,aindex:integer]: int64
read int64valuephys; |
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property textvalue[constfieldno,aindex:integer]: msestring
read textvaluephys; |
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property beforeload: lookupbuffereventty read fbeforeload write fbeforeload; |
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property afterload: lookupbuffereventty read fafterload write fafterload; |
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property onchange: notifyeventty read fonchange write fonchange; |
Description
Fields
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fupdating: integer; |
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fcount: integer; |
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fstate: lookupbufferstatesty; |
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ftextdata: stringindexinfoarty; |
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fintegerdata: integerindexinfoarty; |
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ffloatdata: floatindexinfoarty; |
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fint64data: int64indexinfoarty; |
Methods
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function getfieldcounttext: integer; virtual; |
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function getfieldcountinteger: integer; virtual; |
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function getfieldcountfloat: integer; virtual; |
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function getfieldcountint64: integer; virtual; |
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procedure setfieldcounttext(const avalue: integer); virtual; |
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procedure setfieldcountinteger(const avalue: integer); virtual; |
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procedure setfieldcountfloat(const avalue: integer); virtual; |
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procedure setfieldcountint64(const avalue: integer); virtual; |
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procedure invalidatebuffer; |
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procedure readonlyprop; |
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procedure changed; |
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procedure asyncchanged; |
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procedure doasyncevent(var atag: integer); override; |
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procedure setcount(const avalue: integer); |
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procedure loaded; override; |
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function checkfilter(const filter: lbfiltereventty; const index: integerarty; var aindex: integer): boolean; |
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procedure checkindexar(var aitem: integerindexinfoty); overload; |
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procedure checkindexar(var aitem: floatindexinfoty); overload; |
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procedure checkindexar(var aitem: int64indexinfoty); overload; |
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procedure checkindexar(var aitem: stringindexinfoty; const caseinsensitive: boolean); overload; |
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procedure checkarrayindex(const value; const index: integer); |
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procedure doloadbuffer() virtual; |
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constructor create(aowner: tcomponent); override; |
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destructor destroy; override; |
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procedure beginupdate; |
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procedure endupdate; |
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procedure clearbuffer; virtual; |
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procedure checkbuffer; |
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procedure loadbuffer; |
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function find(const fieldno: integer; const avalue: integer; out aindex: integer; const filter: lbfiltereventty = nil): boolean; overload; |
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function find(const fieldno: integer; const avalue: realty; out aindex: integer; const filter: lbfiltereventty = nil): boolean; overload; |
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function find(const fieldno: integer; const avalue: int64; out aindex: integer; const filter: lbfiltereventty = nil): boolean; overload; |
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function find(const fieldno: integer; const avalue: msestring; out aindex: integer; const caseinsensitive: boolean; const filter: lbfiltereventty = nil): boolean; overload; |
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function findphys(const fieldno: integer; const avalue: integer; out aindex: integer; const filter: lbfiltereventty = nil): boolean; overload; |
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function findphys(const fieldno: integer; const avalue: realty; out aindex: integer; const filter: lbfiltereventty = nil): boolean; overload; |
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function findphys(const fieldno: integer; const avalue: int64; out aindex: integer; const filter: lbfiltereventty = nil): boolean; overload; |
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function findphys(const fieldno: integer; const avalue: msestring; out aindex: integer; const caseinsensitive: boolean; const filter: lbfiltereventty = nil): boolean; overload; |
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function integervaluephys(const fieldno,aindex: integer): integer; |
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function integervaluelog(const fieldno,aindex: integer): integer; |
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function integerindex(const fieldno,aindex: integer): integer; |
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function integerindexar(const fieldno: integer): integerarty; |
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function integerar(const fieldno: integer): integerarty; |
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function floatvaluephys(const fieldno,aindex: integer): realty; |
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function floatvaluelog(const fieldno,aindex: integer): realty; |
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function floatindex(const fieldno,aindex: integer): integer; |
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function floatindexar(const fieldno: integer): integerarty; |
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function floatar(const fieldno: integer): realarty; |
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function int64valuephys(const fieldno,aindex: integer): int64; |
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function int64valuelog(const fieldno,aindex: integer): int64; |
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function int64index(const fieldno,aindex: integer): integer; |
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function int64indexar(const fieldno: integer): integerarty; |
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function int64ar(const fieldno: integer): int64arty; |
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function textvaluephys(const fieldno,aindex: integer): msestring; |
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function textvaluelog(const fieldno,aindex: integer; const caseinsensitive: boolean): msestring; |
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function textindex(const fieldno,aindex: integer; const caseinsensitive: boolean): integer; |
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function textindexar(const fieldno: integer; const caseinsensitive: boolean): integerarty; |
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function textar(const fieldno: integer): msestringarty; |
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function lookupinteger(const integerkeyfieldno,integerfieldno, keyvalue: integer; const adefault: integer = 0): integer; overload; |
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function lookupinteger(const int64keyfieldno,integerfieldno: integer; const keyvalue: int64; const adefault: integer = 0): integer; overload; |
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function lookupinteger(const stringkeyfieldno,integerfieldno: integer; const keyvalue: msestring; const adefault: integer = 0): integer; overload; |
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function lookupint64(const integerkeyfieldno,int64fieldno, keyvalue: integer; const adefault: int64 = 0): int64; overload; |
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function lookupint64(const int64keyfieldno,int64fieldno: integer; const keyvalue: int64; const adefault: int64 = 0): int64; overload; |
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function lookupint64(const stringkeyfieldno,int64fieldno: integer; const keyvalue: msestring; const adefault: int64 = 0): int64; overload; |
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function lookuptext(const integerkeyfieldno,textfieldno, keyvalue: integer; const adefault: msestring = ''): msestring; overload; |
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function lookuptext(const int64keyfieldno,textfieldno: integer; const keyvalue: int64; const adefault: msestring = ''): msestring; overload; |
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function lookuptext(const stringkeyfieldno,textfieldno: integer; const keyvalue: msestring; const adefault: msestring = ''): msestring; overload; |
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function lookupfloat(const integerkeyfieldno,floatfieldno,keyvalue: integer; const adefault: realty = emptyreal): realty; overload; |
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function lookupfloat(const int64keyfieldno,floatfieldno: integer; const keyvalue: int64; const adefault: realty = emptyreal): realty; overload; |
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function lookupfloat(const stringkeyfieldno,floatfieldno: integer; const keyvalue: msestring; const adefault: realty = emptyreal): realty; overload; |
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function count: integer; virtual; |
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procedure addrow(const integervalues: array of integer; const textvalues: array of msestring; const floatvalues: array of realty; const int64values: array of int64); |
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procedure addrows(const integervalues: array of integerarty; const textvalues: array of msestringarty; const floatvalues: array of realarty; const int64values: array of int64arty); |
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function fieldnamestext: stringarty; virtual; |
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function fieldnamesfloat: stringarty; virtual; |
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function fieldnamesinteger: stringarty; virtual; |
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function fieldnamesint64: stringarty; virtual; |
Properties
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property fieldcounttext: integer read getfieldcounttext
write setfieldcounttext default 0; |
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property fieldcountfloat: integer read getfieldcountfloat
write setfieldcountfloat default 0; |
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property fieldcountinteger: integer read getfieldcountinteger
write setfieldcountinteger default 0; |
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property fieldcountint64: integer read getfieldcountint64
write setfieldcountint64 default 0; |
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property integervalue[constfieldno,aindex:integer]: integer
read integervaluephys; |
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property floatvalue[constfieldno,aindex:integer]: realty
read floatvaluephys; |
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property int64value[constfieldno,aindex:integer]: int64
read int64valuephys; |
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property textvalue[constfieldno,aindex:integer]: msestring
read textvaluephys; |
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property beforeload: lookupbuffereventty read fbeforeload write fbeforeload; |
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property afterload: lookupbuffereventty read fafterload write fafterload; |
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property onchange: notifyeventty read fonchange write fonchange; |
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