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

TDBGroupBox

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

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

Declaration

Source position: dbctrls.pp line 908

type TDBGroupBox = class(TCustomGroupBox)

protected

  procedure DataChange();

  

DataChange - if Data changed, loads the new data into the caption

  procedure Notification(); override;

public

  constructor Create(); override;

  

Create - constructor for TDBGroupBox: calls inherited Create then sets up datalinks and actions

  destructor Destroy; override;

  

Destroy - destructor for TDBGroupBox: frees datalinks 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;

  

Specifies the placement of the control inside its Parent.

  property Anchors;

  

The set of anchor definitions for this control.

  property BiDiMode;

  property BorderSpacing;

  

Determines the inner and outer border spacing for this control.

  property Caption;

  

The text describing the control to the user.

  property ClientHeight;

  

The height of the client area of the control.

  property ClientWidth;

  

ClientWidth - determines the width of the client within which the control exists

  property Color;

  

The background color of the control.

  property Constraints;

  

The minimal and maximal Width and Height of this control.

  property DataField: ; [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;

  

The cursor shape shown while the control is dragged.

  property DragMode;

  

Allows the user to drag the control.

  property Enabled;

  

Determines whether the control reacts on mouse or keyboard input.

  property Font;

  

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

  property OnClick;

  

Notification handler for mouse clicks.

  property OnDblClick;

  

Event Handler for double mouse clicks.

  property OnDragDrop;

  

This handler determines the action on an drop onto this control, in a drag-drop operation.

  property OnDragOver;

  

Event handler for a control being dragged over this control.

  property OnEndDrag;

  

Notification handler for the end of a dragging operation.

  property OnEnter;

  

Handler for control receiving the focus.

  property OnExit;

  

Handler for control loosing the focus. This is a good place for checking the finished user input.

  property OnKeyDown;

  

Handler for keyboard key pressed.

  property OnKeyPress;

  

Handler for a character entered by the user.

  property OnKeyUp;

  

Handler for keyboard key released.

  property OnMouseDown;

  

Event handler for mouse button going down.

  property OnMouseMove;

  

Event handler for mouse movement within the control.

  property OnMouseUp;

  

Event handler for mouse button going up.

  property OnResize;

  

Notification handler for a resize of the control.

  property OnStartDrag;

  

Event handler for the start of a dragging operation.

  property OnUTF8KeyPress;

  

Handler for a character entered by the user.

  property ParentBiDiMode;

  property ParentColor;

  

If true, the Color of the control will be the same as the one from the Parent. Default is true.

  property ParentFont;

  

If true, the Font of the control will be the same as the one from the Parent. Default is true.

  property ParentShowHint;

  

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

  property PopupMenu;

  

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

  property ShowHint;

  

Enables the Hint display.

  property TabOrder;

  

Determines the sequence of controls, reachable when the user presses the Tab key.

  property TabStop;

  

Allows the user to navigate to this control, by pressing the Tab key.

  property Visible;

  

Allows to show or hide the control, and all of its children.

end;

Inheritance

TDBGroupBox

  

TDBGroupBox - 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

  

The base class for controls which can contain other (child) controls.

|

TControl

  

The base class for visible controls.

|

TLCLComponent

  

The base class for LCL components associated with widgets.

|

TComponent

?

TObject

See also

HowToUseDataAwareControls

  

HowToUseDataAwareControls - Hints for accessing databases