[Overview][Constants][Types][Classes][Procedures and functions][Index] |
[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
Source position: dbctrls.pp line 970
type TDBGroupBox = class(TCustomGroupBox) end; |
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protected |
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procedure DataChange(); |
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DataChange - if Data changed, loads the new data into the caption |
procedure Notification(); override; |
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public |
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constructor Create(); override; |
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Create - constructor for TDBGroupBox: calls inherited Create then sets up datalinks and actions |
destructor Destroy; override; |
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Destroy - destructor for TDBGroupBox: frees datalinks then calls inherited Destroy |
function ExecuteAction(); override; |
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function UpdateAction(); override; |
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property Field: TField; [r] |
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The field in the DataSet to which this control is to be linked. Can be referred to by name, or as an index |
published |
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Specifies the placement of the control inside its Parent. |
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The set of anchor definitions for this control. |
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property BiDiMode: TBiDiMode; |
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property BorderSpacing: TControlBorderSpacing; |
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Determines the inner and outer border spacing for this control. |
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The text describing the control to the user. |
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property ClientHeight: Integer; |
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The height of the client area of the control. |
property ClientWidth: Integer; |
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ClientWidth - determines the width of the client within which the control exists |
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The background color of the control. |
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property Constraints: TSizeConstraints; |
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The minimal and maximal Width and Height of this control. |
property DataField: string; [rw] |
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The name of the field, as a string (ie cannot be referred to as an Index) |
property DataSource: TDataSource; [rw] |
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The DataSource from which information is obtained to display in this control. Usually the result of a SQLQuery |
property DragCursor: TCursor; |
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The cursor shape shown while the control is dragged. |
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Allows the user to drag the control. |
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property Enabled: Boolean; |
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Determines whether the control reacts on mouse or keyboard input. |
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The font to be used for text display in this control. |
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property OnClick: TNotifyEvent; |
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Notification handler for mouse clicks. |
property OnDblClick: TNotifyEvent; |
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Event Handler for double mouse clicks. |
property OnDragDrop: TDragDropEvent; |
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This handler determines the action on an drop onto this control, in a drag-drop operation. |
property OnDragOver: TDragOverEvent; |
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Event handler for a control being dragged over this control. |
property OnEndDrag: TEndDragEvent; |
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Notification handler for the end of a dragging operation. |
property OnEnter: TNotifyEvent; |
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Handler for control receiving the focus. |
property OnExit: TNotifyEvent; |
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Handler for control loosing the focus. This is a good place for checking the finished user input. |
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Handler for keyboard key pressed. |
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property OnKeyPress: TKeyPressEvent; |
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Handler for a character entered by the user. |
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Handler for keyboard key released. |
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property OnMouseDown: TMouseEvent; |
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Event handler for mouse button going down. |
property OnMouseEnter: TNotifyEvent; |
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property OnMouseLeave: TNotifyEvent; |
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property OnMouseMove: TMouseMoveEvent; |
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Event handler for mouse movement within the control. |
property OnMouseUp: TMouseEvent; |
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Event handler for mouse button going up. |
property OnMouseWheel: TMouseWheelEvent; |
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property OnMouseWheelDown: TMouseWheelUpDownEvent; |
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property OnMouseWheelUp: TMouseWheelUpDownEvent; |
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property OnResize: TNotifyEvent; |
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Notification handler for a resize of the control. |
property OnStartDrag: TStartDragEvent; |
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Event handler for the start of a dragging operation. |
property OnUTF8KeyPress: TUTF8KeyPressEvent; |
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Handler for a character entered by the user. |
property ParentBiDiMode: Boolean; |
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property ParentColor: Boolean; |
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If true, the Color of the control will be the same as the one from the Parent. Default is true. |
property ParentFont: Boolean; |
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If true, the Font of the control will be the same as the one from the Parent. Default is true. |
property ParentShowHint: Boolean; |
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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; |
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A context-sensitive menu that pops up when the right mouse button is clicked over this control |
property ShowHint: Boolean; |
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Enables the Hint display. |
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Determines the sequence of controls, reachable when the user presses the Tab key. |
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property TabStop: Boolean; |
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Allows the user to navigate to this control, by pressing the Tab key. |
property Visible: Boolean; |
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Allows to show or hide the control, and all of its children. |
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TDBGroupBox - a data-aware version of TGroupBox, allowing a number of data-aware objects to be grouped together on a form |
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The base class for TGroupBox, TRadioGroup and TCheckGroup. |
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The base class for controls which can contain other (child) controls. |
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The base class for visible controls. |
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The base class for LCL components associated with widgets. |
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TComponent |
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TObject |
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HowToUseDataAwareControls - Hints for accessing databases |
lazarus-ccr.sourceforge.net |