Data.DBXDBReaders.TDBXParamsRow.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 | TDBXParamsRow |
Description
Updates the ByteLength
parameter to the data size value for a field parameter specified by DbxValue
.
If no value is assigned to the specified field parameter, the IsNull
parameter is set to True.