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    TVariantField

    Field class for native variant data.

    Declaration

    Source position: db.pas line 1164

    type

  TVariantField = class(TField)
  public
    constructor Create;
  end;

    Inheritance

    Description

    TVariantField is the class used when a dataset must manage native variant-typed data. (TField.DataType equals ftVariant). It initializes some of the properties of the TField class and overrides some of its methods to be able to work with variant data.

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

    Methods

    Member Visibility Description
    Create public Create a new instance of the TVariantField 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.