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

TScrollBox

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

A windowed control with scroll bars.

Declaration

Source position: forms.pp line 196

type TScrollBox = class(TScrollingWinControl) end;

protected

  class procedure WSRegisterClass; override;

  

Registers this component class with the current WidgetSet.

public

  constructor Create(); override;

published

  property Align: TAlign;

  

Specifies the placement of the control inside its Parent.

  property Anchors: TAnchors;

  

The set of anchor definitions for this control.

  property AutoSize: Boolean;

  

Allows to automatically adjust the size of the control, according to its content.

  property AutoScroll: Boolean;

  

Allows to show ScrollBars only if needed (when True).

  property BorderSpacing: TControlBorderSpacing;

  

Determines the inner and outer border spacing for this control.

  property BiDiMode: TBiDiMode;

  

Customization (of text controls) in bidirectional reading environments.

  property BorderStyle: TBorderStyle;

  

Allows to show a border (line) around the control,

  property ChildSizing: TControlChildSizing;

  

Parameters for child control arrangement and spacing.

  property ClientHeight: Integer;

  

The height of the client area of the control.

  property ClientWidth: Integer;

  

The width of the client area of the control.

  property Constraints: TSizeConstraints;

  

The minimal and maximal Width and Height of this control.

  property DockSite: Boolean;

  

Allows to drag-dock other controls into this control.

  property DragCursor: TCursor;

  

The cursor shape shown while the control is dragged.

  property DragKind: TDragKind;

  

The operation when the control is dragged - Drag or Dock.

  property DragMode: TDragMode;

  

Allows the user to drag the control.

  property Enabled: Boolean;

  

Determines whether the control reacts on mouse or keyboard input.

  property Color: TColor;

  

The background color of the control.

  property Font: TFont;

  

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

  property ParentBiDiMode: Boolean;

  

Allows to use the BiDiMode settings of Parent. Default is true.

  property ParentColor: Boolean;

  

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

  property ParentFont: Boolean;

  

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

  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 the Hint display.

  property TabOrder: TTabOrder;

  

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

  property TabStop: Boolean;

  

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

  property Visible: Boolean;

  

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

  property OnClick: TNotifyEvent;

  

Notification handler for mouse clicks.

  property OnConstrainedResize: TConstrainedResizeEvent;

  

This handler can supply specific Constraints (size limits), when the control is resized.

  property OnDblClick: TNotifyEvent;

  

Event Handler for double mouse clicks.

  property OnDockDrop: TDockDropEvent;

  

Notification handler for the drop of a control to be docked.

  property OnDockOver: TDockOverEvent;

  

Event handler for moves of a control over this docksite. Determines acceptance or rejection of an possible drop.

  property OnDragDrop: TDragDropEvent;

  

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

  property OnDragOver: TDragOverEvent;

  

Event handler for a control being dragged over this control.

  property OnEndDock: TEndDragEvent;

  

Notification handler for the end of a docking operation.

  property OnEndDrag: TEndDragEvent;

  

Notification handler for the end of a dragging operation.

  property OnEnter: TNotifyEvent;

  

Handler for control receiving the focus.

  property OnExit: TNotifyEvent;

  

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

  property OnGetSiteInfo: TGetSiteInfoEvent;

  

Provides information about the DockSite.

  property OnMouseDown: TMouseEvent;

  

Event handler for mouse button going down.

  property OnMouseEnter: TNotifyEvent;

  

Event handler for mouse entering the area of the control.

  property OnMouseLeave: TNotifyEvent;

  

Event handler for mouse leaving the area of the control.

  property OnMouseMove: TMouseMoveEvent;

  

Event handler for mouse movement within the control.

  property OnMouseUp: TMouseEvent;

  

Event handler for mouse button going up.

  property OnMouseWheel: TMouseWheelEvent;

  

Event handler for mouse wheel turned.

  property OnMouseWheelDown: TMouseWheelUpDownEvent;

  

Notification handler for downward movement of mouse wheel.

  property OnMouseWheelUp: TMouseWheelUpDownEvent;

  

Notification handler for upward movement of mouse wheel.

  property OnResize: TNotifyEvent;

  

Notification handler for a resize of the control.

  property OnStartDock: TStartDockEvent;

  

Event handler for the start of a docking operation.

  property OnStartDrag: TStartDragEvent;

  

Event handler for the start of a dragging operation.

  property OnUnDock: TUnDockEvent;

  

Event handler for control being undocked from this DockSite.

  property OnPaint: TNotifyEvent;

  

Supply your own OnPaint handler for painting the control.

Inheritance

TScrollBox

  

A windowed control with scroll bars.

|

TScrollingWinControl

  

Class of a windowed control with incorporated scroll bars.

|

TCustomControl

  

The base class for windowed controls which paint themselves.

|

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

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