TFieldDefs.Add function

Member of TFieldDefspublicIn unit DB

Add a new field definition to the collection.

Declaration

pascal

function Add(const AName: string; ADataType: TFieldType; 
 ASize: Integer; APrecision: Integer; ARequired: Boolean; 
 AReadOnly: Boolean; AFieldNo: Integer; 
 ACodePage: TSystemCodePage): TFieldDef; overload
function Add(const AName: string; ADataType: TFieldType; ASize: Word; 
 ARequired: Boolean; AFieldNo: Integer): TFieldDef
 ; overload
procedure Add(const AName: string; ADataType: TFieldType; ASize: Word; 
 ARequired: Boolean); overload
procedure Add(const AName: string; ADataType: TFieldType; ASize: Word)
 ; overload
procedure Add(const AName: string; ADataType: TFieldType); overload

Arguments

`AName`	Value for the `Name` property of the new item.
`ADataType`	Value for the `DataType` property of the new item.
`ASize`	Value for the `Size` property of the new item.
`APrecision`	Precision.
`ARequired`	Value for the `Required` property of the new item.
`AReadOnly`	Read-only field.
`AFieldNo`	Number of the field.
`ACodePage`	Codepage field.

Function result

Add new fieldDef result.

Description

Add adds a new item to the collection and fills in the Name, DataType, Size and Required properties of the newly added item with the provided parameters.

Errors

If an item with name AName already exists in the collection, then an exception will be raised.