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    Properties of TField

    Properties

    Member Visibility Description
    Alignment published Alignment for this field.
    AsAnsiString public Return field contents as an ANSI string.
    AsBCD public Access the field's contents as a BCD (Binary coded Decimal).
    AsBoolean public Access the field's contents as a Boolean value.
    AsBytes public Retrieve the contents of the field as an array of bytes.
    AsCurrency public Access the field's contents as a Currency value.
    AsDateTime public Access the field's contents as a TDateTime value.
    AsExtended public
    AsFloat public Access the field's contents as a floating-point (Double) value.
    AsInteger public Access the field's contents as a 32-bit signed integer (longint) value.
    AsLargeInt public Access the field's contents as a 64-bit signed integer (longint) value.
    AsLongint public Access the field's contents as a 32-bit signed integer (longint) value.
    AsLongWord public Access field contents as 32-bit unsigned integer (longword/cardinal).
    AsSingle public
    AsString public Access the field's contents as an AnsiString value.
    AsUnicodeString public Field contents as a UnicodeString.
    AsUTF8String public Field contents as a UTF8 String.
    AsVariant public Access the field's contents as a Variant value.
    AsWideString public Access the field's contents as a WideString value.
    AttributeSet public Not used: dictionary information.
    Calculated public Is the field a calculated field ?
    CanModify read only public Can the field's contents be modified.
    ConstraintErrorMessage published Message to display if the CustomConstraint constraint is violated.
    CurValue read only public Current value of the field.
    CustomConstraint published Custom constraint for the field's value.
    DataSet public Dataset this field belongs to.
    DataSize read only public Size of the field's data.
    DataType read only public The data type of the field.
    DefaultExpression published Default value for the field.
    DisplayLabel published Name of the field for display purposes.
    DisplayName read only public User-readable fieldname.
    DisplayText read only public Formatted field value.
    DisplayWidth published Width of the field in characters.
    EditMask public Specify an edit mask for an edit control.
    EditMaskPtr read only public Alias for EditMask.
    FieldDef read only public Fielddef associated with this field.
    FieldKind published The kind of field.
    FieldName published Name of the field.
    FieldNo read only public Number of the field in the record.
    HasConstraints read only published Does the field have any constraints defined.
    ImportedConstraint published Constraint for the field value on the level of the underlying database.
    Index published Index of the field in the list of fields.
    IsIndexField read only public Is the field an indexed field ?
    IsNull read only public Is the field empty.
    KeyFields published Key fields to use when looking up a field value.
    Lookup published Is the field a lookup field.
    LookupCache published Should lookup values be cached.
    LookupDataSet published Dataset with lookup values.
    LookupKeyFields published Names of fields on which to perform a locate.
    LookupList read only public List of lookup values.
    LookupResultField published Name of field to use as lookup value.
    NewValue public The new value of the field.
    Offset read only public Offset of the field's value in the dataset buffer.
    OldValue read only public Old value of the field.
    Origin published Original fieldname of the field.
    ParentField published
    ProviderFlags published Flags for provider or update support.
    ReadOnly published Is the field read-only.
    Required published Does the field require a value.
    Size public Logical size of the field.
    Text public Text representation of the field.
    ValidChars public Characters that are valid input for the field's content.
    Value public Value of the field as a variant value.
    Visible published Should the field be shown in grids.