Data.DBXDBReaders.TDBXDataSetRow.GetByteLength
Delphi
procedure GetByteLength(DbxValue: TDBXByteArrayValue; var ByteLength: Int64;
var IsNull: LongBool); override;
C++
virtual void __fastcall GetByteLength(Data::Dbxcommon::TDBXByteArrayValue* DbxValue, __int64 &ByteLength, System::LongBool &IsNull);
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
procedure function |
public | Data.DBXDBReaders.pas Data.DBXDBReaders.hpp |
Data.DBXDBReaders | TDBXDataSetRow |
Description
Updates the ByteLength parameter to the size (in bytes) of a field specified by DbxValue as an Integer.
If the field is of type TBlobField, the BlobSize is used, else DataSize is used.
If no value is assigned to the specified field, the IsNull parameter is set to True.