FireDAC.Stan.Param.FDRegisterParamObjectClass

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Delphi

procedure FDRegisterParamObjectClass(ADataType: TFieldType; AObjClass: TParamObjectClass);

C++

extern DELPHI_PACKAGE void __fastcall FDRegisterParamObjectClass(Data::Db::TFieldType ADataType, Data::Db::TParamObjectClass AObjClass);

Properties

Type	Visibility	Source	Unit	Parent
procedure function	public	FireDAC.Stan.Param.pas FireDAC.Stan.Param.hpp	FireDAC.Stan.Param	FireDAC.Stan.Param

Description

Registers the specified object class for the group of field types where the specified field type belongs.

For example, if ADataType is ftString, FDRegisterParamObjectClass registers the specified object class for all streamed types (ftBlob, ftBytes, ftStream, and so on).

There are two groups of field types:

Group	Field Types	Default Object Class
Dataset types	ftDataSet	TParamObject
Streamed types	ftBlob ftBytes ftDBaseOle ftFixedChar ftFixedWideChar ftFmtMemo ftGraphic ftMemo ftOraBlob ftOraClob ftStream ftString ftTypedBinary ftVarBytes ftWideMemo ftWideString	TParamStreamObject

See Also

• FireDAC.Stan.Param.TFDParam.SetObjectValue