Data.DB.TWideMemoField Properties

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InheritedProtected
Alignment published Determines how the data of the field is displayed within a data-aware control.
AsAnsiString public Represents the field's value as an AnsiString.
AsBCD public Represents the field's value as a TBcd value.
AsBoolean public Represents the field's value as a boolean value.
AsBytes public Represents the value of the field as an array of bytes.
AsCurrency public Represents the field's value as a Currency value.
AsDateTime public Represents the value of the field as a TDateTime value.
AsExtended public Represents the field's value as a high-precision floating-point number.
AsFloat public Represents the field's value as a double value.
AsGuid public Represents the value of the field as a Globally Unique Identifier (GUID).
AsInteger public Represents the field's value as a 32-bit integer.
AsLargeInt public Represents the field value as a large integer.
AsLongWord public
AsSingle public Represents the field's value as a Single floating-point number.
AsSQLTimeStamp public Represents the field's value as a TSQLTimeStamp.
AsSQLTimeStampOffset public Represents the field's value as a highly accurate date-time value.
AsString public Represents the field's value as a string (Delphi) or an AnsiString (C++).
AsVariant public Represents the Value of the field as a Variant.
AsWideString public Represents the field's value as a WideString.
AttributeSet public Specifies the name of an attribute set in the data dictionary to apply to the field component.
AutoGenerateValue published Indicates whether the field values can be generated by the server rather than entered by the user.
BlobSize public Indicates the number of bytes of data contained in the blob field on the current record.
BlobType published Identifies the type of the BLOB field associated with a BLOB field object.
Calculated public Determines whether the value of the field is calculated by the OnCalcFields event handler of its dataset.
CanModify public Specifies whether a field can be modified.
ComObject public Specifies the interface reference implemented by the component.
ComponentCount public Indicates the number of components owned by the component.
ComponentIndex public Indicates the position of the component in its owner's Components property array.
Components public Lists all components owned by the component.
ComponentState public Describes the current state of the component, indicating when a component needs to avoid certain actions.
ComponentStyle public Governs the behavior of the component.
ConstraintErrorMessage published Specifies a customized error message that appears when the user tries to set a value that violates the data constraints of the field.
CurValue public Represents the current value of the field component including changes made by other users of the database.
CustomConstraint published Specifies an SQL string the enforces any application-specific constraints on the field's value.
DataSet public Identifies the dataset to which a field component belongs.
DataSize public Indicates the amount of memory needed to store a field component's value.
DataType public Identifies the data type of the field component.
DefaultExpression published Specifies an SQL expression that is assigned to the field if the user does not provide a value.
DesignInfo public Contains information used by the Form designer.
DisplayLabel published Contains the text to display in the corresponding column heading of a data grid.
DisplayName public Represents the name of the field for display purposes.
DisplayText public Represents the field's value as it is displayed in a data-aware control.
DisplayValue published Specifies a mode of behavior of TBlobField in the DB-aware controls.
DisplayWidth published Specifies the number of characters that should be used to display a field's value by a cooperating data-aware control.
Disposed protected Disposed is a read-only property that shows the current state of this object.
EditMask public Contains a mask that restricts the data that can be entered into a data field.
EditMaskPtr public Provides read-only access to the EditMask property.
FieldKind published Indicates whether a field represents a column in a dataset, a calculated field, or a lookup field.
FieldName published Indicates the name of the physical column in the underlying table or query result to which a field component is bound.
FieldNo public Indicates the ordinal position of the field's column in the underlying table or query result.
FullName public Indicates the field name qualified by the full name of the parent field, if any.
GraphicHeader published Indicates whether the field's value includes a Paradox graphic BLOB header.
HasConstraints published Indicates whether field values are constrained.
ImportedConstraint published Represents an SQL clause that enforces constraints stored on the server.
Index published Specifies the field component's index in the Fields property of the dataset.
IsIndexField public Indicates whether a field is an index field.
IsNull public Indicates whether the field has a value assigned to it.
KeyFields published Identifies the field or fields in the dataset that must be matched in a lookup dataset when doing a lookup.
LifeCycle public Specifies whether the field is automatic or persistent.
Lookup public Determines whether the field is specified as a lookup field.
LookupCache published Determines whether the values of a lookup field are cached or looked up dynamically every time the current record in the dataset changes.
LookupDataSet published Identifies the dataset used to look up field values.
LookupKeyFields published Identifies the field or fields in the lookup dataset to match when doing a lookup.
LookupList public Indicates a cache of values from the LookupDataSet indexed by a set of values from the KeyFields property.
LookupResultField published Identifies the field from the lookup dataset whose value becomes the Value property of the field component.
Modified public Indicates whether the value for the BLOB field was changed since it was last read from the underlying database.
Name published Specifies the name of the component as referenced in code.
NewValue public Represents the current value of the field component including pending cached updates.
Observers public Indicates the TObservers object added to the TComponent.
Offset public Indicates the number of bytes added to the end of the current record buffer in the dataset for storing cached values (for calculated fields or BLOB fields).
OldValue public Represents the original value of the field (as a Variant).
Origin published Indicates the name of the field in its original database table.
Owner public Indicates the component that is responsible for streaming and freeing this component.
ParentField public Specifies the TObjectField object from which this field is derived.
ProviderFlags published Specifies how a provider uses the field value when applying updates.
ReadOnly published Determines whether the field can be modified.
Required published Specifies whether a nonblank value for a field is required.
Size published Indicates the size used in the definition of the physical database field for data types that support different sizes.
Tag published Stores a NativeInt integral value as a part of a component.
Text public Contains the string to display in a data-aware control when the field is in edit mode.
Transliterate public Determines whether any text in the BLOB field should be converted to and from the character set identified by the dataset.
Validating public
ValidChars public Specifies the characters that can be included in the text representation of the field's value.
Value public Value of instance's text.
VCLComObject public Represents information used internally by components that support COM.
Visible published Determines whether the field appears in a data grid.


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