TDBGroupBox

type TDBGroupBox = class(TCustomGroupBox)

protected

  procedure DataChange();

Updates the value for the control when the linked dataset is changed.

  procedure Notification(); override;

Handles a notification when a component is added to or removed from the control.

public

  constructor Create(); override;

Constructor for the class instance.

  destructor Destroy; override;

Destructor for the class instance.

  function ExecuteAction(); override;

Provides support for TBasicAction in the control.

  function UpdateAction(); override;

Updates the specified action to reflect the current state in the linked dataset.

  property Field: TField; [r]

The Field to which the datalink is attached.

published

  property Align: TAlign;

Specifies the placement of the control on its Parent control.

  property Anchors: TAnchors;

The set of anchor definitions for this control.

  property BiDiMode: TBiDiMode;

Indicates whether text controls use in bi-directional reading.

  property BorderSpacing: TControlBorderSpacing;

Determines the inner and outer border spacing for this control.

  property Caption: TCaption;

Text displayed as the caption for the control.

  property ClientHeight: Integer;

The height for the client area on the control.

  property ClientWidth: Integer;

The width of the client area for the control.

  property Color: TColor;

The background color for the control.

  property Constraints: TSizeConstraints;

Contains the minimum and maximum Width and Height for the control.

  property Cursor: TCursor;

Contains the shape for the mouse pointer when the mouse is over the control.

  property DataField: string; [rw]

Contains the name of the field with the value for the control.

  property DataSource: TDataSource; [rw]

Provides access to the dataset with content for the control.

  property DoubleBuffered: Boolean;

When enabled, it reduces flicker when the control is painted.

  property DragCursor: TCursor;

The cursor shape shown during a drag operation.

  property DragKind: TDragKind;

Indicates the action performed for a drag operation: drag-and-drop or drag-and-dock.

  property DragMode: TDragMode;

Determines how a drag operation is started for the control.

  property Enabled: Boolean;

Determines whether the control responds to mouse or keyboard input.

  property Font: TFont;

The font to be used for text display in this control.

  property OnClick: TNotifyEvent;

Notification handler for mouse clicks.

  property OnContextPopup: TContextPopupEvent;

Invoked when a context-sensitive pop-up menu is requested.

  property OnDblClick: TNotifyEvent;

Event handler signalled when a mouse double click occurs in the control.

  property OnDragDrop: TDragDropEvent;

Event handler signalled when an object is dropped onto the control.

  property OnDragOver: TDragOverEvent;

Event handler signalled when a control is dragged over the control instance.

  property OnEndDrag: TEndDragEvent;

Event handler signalled for the end of a drag-drop operation.

  property OnEnter: TNotifyEvent;

Event handler signalled when the control receives focus.

  property OnExit: TNotifyEvent;

Event handler signalled when the control loses focus.

  property OnKeyDown: TKeyEvent;

Event handler signalled when a key is down while the control has focus.

  property OnKeyPress: TKeyPressEvent;

Event handler signalled when a key is being pressed while the control has focus.

  property OnKeyUp: TKeyEvent;

Event handler signalled when a key is up (not pressed) while the control has focus.

  property OnMouseDown: TMouseEvent;

Event handler signalled when a mouse down event is handled for the control.

  property OnMouseEnter: TNotifyEvent;

Event handler signalled when the mouse pointer has entered the control.

  property OnMouseLeave: TNotifyEvent;

Event handler signalled when the mouse pointer has left the control.

  property OnMouseMove: TMouseMoveEvent;

Event handler signalled when the mouse pointer is moved in the control.

  property OnMouseUp: TMouseEvent;

Event handler signalled when a mouse up event is handled for the control.

  property OnMouseWheel: TMouseWheelEvent;

Event handler for mouse wheel turned.

  property OnMouseWheelDown: TMouseWheelUpDownEvent;

Event handler signalled for a downward movement of the mouse wheel.

  property OnMouseWheelUp: TMouseWheelUpDownEvent;

Event handler signalled for an upward movement of the mouse wheel.

  property OnResize: TNotifyEvent;

Notification handler for a resize of the control.

  property OnStartDrag: TStartDragEvent;

Event handler signalled for the start of a dragging operation.

  property OnUTF8KeyPress: TUTF8KeyPressEvent;

Handler for a character entered by the user.

  property ParentBiDiMode: Boolean;

Indicates whether the BiDiMode settings in the Parent control are used.

  property ParentColor: Boolean;

Use the Color from the Parent control, when enabled.

  property ParentDoubleBuffered: Boolean;

Value for the DoubleBuffered property in a Parent control.

  property ParentFont: Boolean;

Indicates if the Font from the Parent control is used in the control.

  property ParentShowHint: Boolean;

If True, the value of ShowHint for the control will be the same as the one from the Parent. Default is True.

  property PopupMenu: TPopupMenu;

A context-sensitive menu that pops up when the right mouse button is clicked over this control.

  property ShowHint: Boolean;

Enables Hint display for the control.

  property TabOrder: TTabOrder;

Indicates the navigation order for the control when the user presses the Tab or Shift+Tab key.

  property TabStop: Boolean;

Allows the user to navigate to / from the control by pressing the Tab or Shift+Tab keys.

  property Visible: Boolean;

Indicates if the control is visible on its parent.

end;

TDBGroupBox

TDBGroupBox is a data-aware version of TGroupBox, allowing a number of data-aware objects to be grouped together on a form.

TCustomGroupBox

The base class for TGroupBox, TRadioGroup and TCheckGroup.

TWinControl

Implements a windowed control which can contain other child controls.

TControl

The base class for visible controls.

TLCLComponent

The base class for LCL components which have an associated widget.

TComponent,IUnknown,IInterfaceComponentReference

TPersistent,IFPObserved

TObject

TCustomGroupBox

The base class for TGroupBox, TRadioGroup and TCheckGroup.

How To Use Data-aware Controls

HowToUseDataAwareControls - Hints for accessing databases.