TGraphicField¶

Field class for graphical BLOB field data.

Declaration¶

Source position: db.pas line 1157

type

  TGraphicField = class(TBlobField)
  public
    constructor Create;
  end;

Inheritance¶

Description¶

TGraphicField is the class used when a dataset must manage graphical BLOB data. (TField.DataType equals ftGraphic). It initializes some of the properties of the TField class. All methods to be able to work with graphical BLOB data have been implemented in the TBlobField parent class.

It should never be necessary to create an instance of TGraphicsField manually, a field of this class will be instantiated automatically for each graphical BLOB field when a dataset is opened.

Methods¶

Member	Visibility	Description
Create	public	Create a new instance of the TGraphicField class.

See all Methods

See also¶

Name	Description
TDataset	Base class for records-based data-access.
TField	Provide access to the contents of a single field in a record.
TBLOBField	Base class for BLOB field data.
TMemoField	Base class for MEMO (text BLOB) field data.
TWideMemoField	Field class for wide MEMO (widestring text BLOB) field data.