Class TParam

Description
Hierarchy
Fields
Methods
Properties

Unit

mdb

Declaration

type TParam = class(TCollectionItem)

Description

This item has no description.

Hierarchy

Overview

Fields

Protected FBound: Boolean;

Methods

Protected Procedure AssignParam(Param: TParam);
Protected Procedure AssignTo(Dest: TPersistent); override;
Protected Function GetAsBoolean: Boolean;
Protected Function GetAsCurrency: Currency;
Protected Function GetAsDateTime: TDateTime;
Protected Function GetAsFloat: Double;
Protected Function GetAsInteger: Longint;
Protected Function GetAsLargeInt: LargeInt;
Protected Function GetAsMemo: string;
Protected Function GetAsString: string;
Protected Function GetAsVariant: Variant;
Protected Function GetAsFMTBCD: TBCD;
Protected Function GetDisplayName: string; override;
Protected Function GetIsNull: Boolean;
Protected Function IsEqual(AValue: TParam): Boolean;
Protected Procedure SetAsBlob(const AValue: TBlobData);
Protected Procedure SetAsBoolean(AValue: Boolean);
Protected Procedure SetAsCurrency(const AValue: Currency);
Protected Procedure SetAsDate(const AValue: TDateTime);
Protected Procedure SetAsDateTime(const AValue: TDateTime);
Protected Procedure SetAsFloat(const AValue: Double);
Protected Procedure SetAsInteger(AValue: Longint);
Protected Procedure SetAsLargeInt(AValue: LargeInt);
Protected Procedure SetAsMemo(const AValue: string);
Protected Procedure SetAsSmallInt(AValue: LongInt);
Protected Procedure SetAsString(const AValue: string);
Protected Procedure SetAsTime(const AValue: TDateTime);
Protected Procedure SetAsVariant(const AValue: Variant);
Protected Procedure SetAsWord(AValue: LongInt);
Protected Procedure SetAsFMTBCD(const AValue: TBCD);
Protected Procedure SetDataType(AValue: TFieldType);
Protected Procedure SetText(const AValue: string);
Protected function GetAsWideString: WideString;
Protected procedure SetAsWideString(const aValue: WideString);
Protected function getasunicodestring: unicodestring;
Protected procedure setasunicodestring(const avalue: unicodestring);
Protected function getasnullmsestring: msestring;
Protected procedure setasnullmsestring(const avalue: msestring);
Protected function getasid: int64;
Protected procedure setasid(const avalue: int64);
Public constructor Create(ACollection: TCollection); overload; override;
Public constructor Create(AParams: TParams; AParamType: TParamType); reintroduce; overload;
Public Procedure Assign(Source: TPersistent); override;
Public Procedure AssignField(Field: TField);
Public Procedure AssignToField(Field: TField);
Public Procedure AssignFieldValue(Field: TField; const AValue: Variant);
Public procedure AssignFromField(Field : TField);
Public Procedure Clear;
Public Procedure GetData(Buffer: Pointer);
Public Function GetDataSize: Integer;
Public Procedure LoadFromFile(const FileName: string; BlobType: TBlobType);
Public Procedure LoadFromStream(Stream: TStream; BlobType: TBlobType);
Public Procedure SetBlobData(Buffer: Pointer; ASize: Integer);
Public Procedure SetData(Buffer: Pointer);

Properties

Public property AsBlob : TBlobData read GetAsString write SetAsBlob;
Public property AsBoolean : Boolean read GetAsBoolean write SetAsBoolean;
Public property AsCurrency : Currency read GetAsCurrency write SetAsCurrency;
Public property AsDate : TDateTime read GetAsDateTime write SetAsDate;
Public property AsDateTime : TDateTime read GetAsDateTime write SetAsDateTime;
Public property AsFloat : Double read GetAsFloat write SetAsFloat;
Public property AsInteger : LongInt read GetAsInteger write SetAsInteger;
Public property AsLargeInt : LargeInt read GetAsLargeInt write SetAsLargeInt;
Public property AsMemo : string read GetAsMemo write SetAsMemo;
Public property AsSmallInt : LongInt read GetAsInteger write SetAsSmallInt;
Public property AsString : string read GetAsString write SetAsString;
Public property AsTime : TDateTime read GetAsDateTime write SetAsTime;
Public property AsWord : LongInt read GetAsInteger write SetAsWord;
Public property AsFMTBCD: TBCD read GetAsFMTBCD write SetAsFMTBCD;
Public property Bound : Boolean read FBound write FBound;
Public property Dataset : TDataset Read GetDataset;
Public property IsNull : Boolean read GetIsNull;
Public property NativeStr : string read FNativeStr write FNativeStr;
Public property Text : string read GetAsString write SetText;
Public property Value : Variant read GetAsVariant write SetAsVariant stored IsParamStored;
Public property AsWideString: WideString read GetAsWideString write SetAsWideString;
Public property asunicodestring: unicodestring read getasunicodestring write setasunicodestring;
Public property asmsestring: msestring read getasunicodestring write setasunicodestring;
Public property asnullmsestring: msestring read getasnullmsestring write setasnullmsestring;
Public property asid: int64 read getasid write setasid;
Public property blobkind: blobkindty read fblobkind write fblobkind default bk_none;
Published property DataType : TFieldType read FDataType write SetDataType;
Published property Name : string read FName write FName;
Published property NumericScale : Integer read FNumericScale write FNumericScale default 0;
Published property ParamType : TParamType read FParamType write FParamType;
Published property Precision : Integer read FPrecision write FPrecision default 0;
Published property Size : Integer read FSize write FSize default 0;

Description

Fields

Protected FBound: Boolean;

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Methods

Protected Procedure AssignParam(Param: TParam);

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Protected Procedure AssignTo(Dest: TPersistent); override;

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Protected Function GetAsBoolean: Boolean;

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Protected Function GetAsCurrency: Currency;

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Protected Function GetAsDateTime: TDateTime;

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Protected Function GetAsFloat: Double;

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Protected Function GetAsInteger: Longint;

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Protected Function GetAsLargeInt: LargeInt;

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Protected Function GetAsMemo: string;

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Protected Function GetAsString: string;

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Protected Function GetAsVariant: Variant;

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Protected Function GetAsFMTBCD: TBCD;

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Protected Function GetDisplayName: string; override;

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Protected Function GetIsNull: Boolean;

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Protected Function IsEqual(AValue: TParam): Boolean;

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Protected Procedure SetAsBlob(const AValue: TBlobData);

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Protected Procedure SetAsBoolean(AValue: Boolean);

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Protected Procedure SetAsCurrency(const AValue: Currency);

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Protected Procedure SetAsDate(const AValue: TDateTime);

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Protected Procedure SetAsDateTime(const AValue: TDateTime);

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Protected Procedure SetAsFloat(const AValue: Double);

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Protected Procedure SetAsInteger(AValue: Longint);

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Protected Procedure SetAsLargeInt(AValue: LargeInt);

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Protected Procedure SetAsMemo(const AValue: string);

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Protected Procedure SetAsSmallInt(AValue: LongInt);

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Protected Procedure SetAsString(const AValue: string);

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Protected Procedure SetAsTime(const AValue: TDateTime);

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Protected Procedure SetAsVariant(const AValue: Variant);

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Protected Procedure SetAsWord(AValue: LongInt);

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Protected Procedure SetAsFMTBCD(const AValue: TBCD);

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Protected Procedure SetDataType(AValue: TFieldType);

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Protected Procedure SetText(const AValue: string);

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Protected function GetAsWideString: WideString;

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Protected procedure SetAsWideString(const aValue: WideString);

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Protected function getasunicodestring: unicodestring;

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Protected procedure setasunicodestring(const avalue: unicodestring);

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Protected function getasnullmsestring: msestring;

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Protected procedure setasnullmsestring(const avalue: msestring);

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Protected function getasid: int64;

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Protected procedure setasid(const avalue: int64);

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Public constructor Create(ACollection: TCollection); overload; override;

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Public constructor Create(AParams: TParams; AParamType: TParamType); reintroduce; overload;

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Public Procedure Assign(Source: TPersistent); override;

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Public Procedure AssignField(Field: TField);

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Public Procedure AssignToField(Field: TField);

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Public Procedure AssignFieldValue(Field: TField; const AValue: Variant);

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Public procedure AssignFromField(Field : TField);

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Public Procedure Clear;

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Public Procedure GetData(Buffer: Pointer);

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Public Function GetDataSize: Integer;

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Public Procedure LoadFromFile(const FileName: string; BlobType: TBlobType);

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Public Procedure LoadFromStream(Stream: TStream; BlobType: TBlobType);

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Public Procedure SetBlobData(Buffer: Pointer; ASize: Integer);

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Public Procedure SetData(Buffer: Pointer);

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Properties

Public property AsBlob : TBlobData read GetAsString write SetAsBlob;

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Public property AsBoolean : Boolean read GetAsBoolean write SetAsBoolean;

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Public property AsCurrency : Currency read GetAsCurrency write SetAsCurrency;

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Public property AsDate : TDateTime read GetAsDateTime write SetAsDate;

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Public property AsDateTime : TDateTime read GetAsDateTime write SetAsDateTime;

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Public property AsFloat : Double read GetAsFloat write SetAsFloat;

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Public property AsInteger : LongInt read GetAsInteger write SetAsInteger;

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Public property AsLargeInt : LargeInt read GetAsLargeInt write SetAsLargeInt;

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Public property AsMemo : string read GetAsMemo write SetAsMemo;

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Public property AsSmallInt : LongInt read GetAsInteger write SetAsSmallInt;

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Public property AsString : string read GetAsString write SetAsString;

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Public property AsTime : TDateTime read GetAsDateTime write SetAsTime;

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Public property AsWord : LongInt read GetAsInteger write SetAsWord;

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Public property AsFMTBCD: TBCD read GetAsFMTBCD write SetAsFMTBCD;

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Public property Bound : Boolean read FBound write FBound;

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Public property Dataset : TDataset Read GetDataset;

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Public property IsNull : Boolean read GetIsNull;

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Public property NativeStr : string read FNativeStr write FNativeStr;

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Public property Text : string read GetAsString write SetText;

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Public property Value : Variant read GetAsVariant write SetAsVariant stored IsParamStored;

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Public property AsWideString: WideString read GetAsWideString write SetAsWideString;

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Public property asunicodestring: unicodestring read getasunicodestring write setasunicodestring;

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Public property asmsestring: msestring read getasunicodestring write setasunicodestring;

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Public property asnullmsestring: msestring read getasnullmsestring write setasnullmsestring;

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Public property asid: int64 read getasid write setasid;

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Public property blobkind: blobkindty read fblobkind write fblobkind default bk_none;

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Published property DataType : TFieldType read FDataType write SetDataType;

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Published property Name : string read FName write FName;

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Published property NumericScale : Integer read FNumericScale write FNumericScale default 0;

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Published property ParamType : TParamType read FParamType write FParamType;

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Published property Precision : Integer read FPrecision write FPrecision default 0;

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Published property Size : Integer read FSize write FSize default 0;

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