Data.DB.TLongWordField

Delphi
TLongWordField = class(TNumericField)
C++
class PASCALIMPLEMENTATION TLongWordField : public TNumericField
Properties
Type | Visibility | Source | Unit | Parent |
---|---|---|---|---|
class | public | Data.DB.pas Data.DB.hpp |
Data.DB | Data.DB |
Description
TLongWordField represents a field that contains a positive integer value in a dataset.
TLongWordField encapsulates the fundamental behavior common to fields that contain positive integer data (LongWord). LongWord fields are frequently used to hold large positive integer values whose range can be:
- On 32-bit platforms and 64-bit Windows platforms, the range is from
0
to4294967295
.
- Note: 32-bit platforms include 32-bit Windows, OSX32, 32-bit iOS, and Android.
- On 64-bit iOS platforms, the range from
0
through264-1
.
See Also
- Data.DB.TIntegerField
- Data.DB.TWordField
- System.LongWord
- Defining a Data Field
- Defining a Calculated Field