[Overview][Constants][Types][Classes][Procedures and functions][Index] Reference for unit 'DbCtrls' (#lcl)

TDBText

[Properties (by Name)] [Methods (by Name)] [Events (by Name)]

TDBText - a data-aware text component to display a single text-string from a dataset

Declaration

Source position: dbctrls.pp line 280

type TDBText = class(TCustomLabel)

protected

  procedure Loaded; override;

  procedure Notification(); override;

protected

  class procedure WSRegisterClass; override;

public

  constructor Create(); override;

  

Create - constructor for TDBText: calls inherited Create then forms data links and actions

  destructor Destroy; override;

  

Destroy - destructor for TDBText: frees data links then calls inherited Destroy

  property Field: TField; [r]

  

The field in the DataSet to which this control is to be linked. Can be referred to by name, or as an index

published

  property Align;

  

Used to align the control to the top, bottom, left or right of its client.

  property Alignment;

  

Alignment - whether text is centered, left- or right-justified

  property Anchors;

  

The set of anchor definitions for this control

  property AutoSize;

  

Whether auto-size is to be used

  property BidiMode;

  property BorderSpacing;

  property Color;

  

Determine the colour for the current control

  property Constraints;

  property DataField: String; [rw]

  

The name of the field, as a string (ie cannot be referred to as an Index)

  property DataSource: TDataSource; [rw]

  

The DataSource from which information is obtained to display in this control. Usually the result of a SQLQuery

  property DragCursor;

  

DragCursor - the style of cursor to be used during the Drag process

  property DragKind;

  property DragMode;

  

DragMode - whether manual or automatic

  property Enabled;

  property FocusControl;

  

FocusControl - which control has focus

  property Font;

  

The font to be used for text in this control (read/write).

  property Layout;

  

Layout - How the Text is to be laid out in the text rectangle: at the Bottom, Centre or Top

  property ParentBidiMode;

  property ParentColor;

  property ParentFont;

  property ParentShowHint;

  property PopupMenu;

  property ShowAccelChar;

  

ShowAccelChar - underline the character in the label that acts as an accelerator with a shortcut key

  property ShowHint;

  property Transparent;

  property Visible;

  

Visible - can the control be seen?

  property WordWrap;

  

WordWrap - whether a word is to be wrapped to the next line if the text is about to become too long for the width available

  property OnClick;

  property OnDblClick;

  property OnDragDrop;

  

Event handler for the drop of a control onto this control.

  property OnDragOver;

  

Event handler for the case when a control is dragged over another control

  property OnEndDrag;

  

Event handler for the end of a dragging process

  property OnMouseDown;

  property OnMouseMove;

  property OnMouseUp;

  property OnMouseEnter;

  property OnMouseLeave;

  property OnChangeBounds;

  property OnContextPopup;

  property OnResize;

  property OnStartDrag;

  

Event handler for start of dragging operation

  property OptimalFill;

end;

Inheritance

TDBText

  

TDBText - a data-aware text component to display a single text-string from a dataset

|

TCustomLabel

  

TCustomLabel : the base type from which TLabel is derived.

|

TGraphicControl

  

TGraphicControl is the base class for all lightweight controls.

|

TControl

|

TLCLComponent

  

TLCLComponent - base class for LCL components

|

TComponent,IUnknown,IInterfaceComponentReference

|

TPersistent

|

TObject

See also

HowToUseDataAwareControls

  

HowToUseDataAwareControls - Hints for accessing databases

The latest version of this document can be found at lazarus-ccr.sourceforge.net.