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

# TTabSheet

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

An individual page used in TPageControl.

## Declaration

Source position: comctrls.pp line 520

`type TTabSheet = class(TCustomPage)`
`protected`
`class procedure WSRegisterClass; override;` |  | Registers this component class with the current WidgetSet.
`public`
`constructor Create(); override;` |  | Constructor for the class instance.
`destructor Destroy; override;` |  | Destructor for the class instance.
`property PageControl: TPageControl; [rw]` |  | The TPageControl instance where the tab sheet is displayed.
`property TabIndex: Integer; [r]` |  | Ordinal position for the tab sheet in the visible tab sheets on the page control.
`published`
`property AutoSize: Boolean;` |  | Allows automatic adjustment of the size for the control, according to its content.
`property BorderWidth: TBorderWidth;` |  | Width of the Border around the control; default is zero.
`property BiDiMode: TBiDiMode;` |  | Indicates whether text controls use in bi-directional reading.
`property Caption: TCaption;` |  | The text displayed for the control.
`property ChildSizing: TControlChildSizing;` |  | Provides a grid (table) layout for the children of this 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 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 Height: Integer; [s]` |  | Height of the visible area for the tab sheet on the parent page control.
`property ImageIndex: TImageIndex;` |  | Ordinal position for the image associated with the page.
`property Left: Integer; [s]` |  | Left coordinate for the tab sheet in the visible area of the parent page control.
`property PageIndex: Integer; [s]` |  | Ordinal position for the page in the parent control.
`property ParentBiDiMode: Boolean;` |  | Indicates whether the BiDiMode settings in the Parent control are used.
`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 TabVisible: Boolean;` |  | Indicates if the tab is visible in the Parent control.
`property Top: Integer; [s]` |  | Top coordinate for the tab sheet in the visible area of the parent page control.
`property Width: Integer; [s]` |  | Width of the visible area for the tab sheet on the parent page control.
`property OnContextPopup: TContextPopupEvent;` |  | Invoked when a context-sensitive pop-up menu is requested.
`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 OnHide: TNotifyEvent;` |  | Event handler signalled when the page is hidden.
`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 OnShow: TNotifyEvent;` |  | Event handler signalled when the page becomes visible.
`property OnStartDrag: TStartDragEvent;` |  | Event handler signalled for the start of a dragging operation.
`end;`

## Inheritance

`TTabSheet` |  | An individual page used in TPageControl.
`TCustomPage` |  | The base class for TTabSheet.
`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`
?
`TObject`

## Description

TTabSheet - individual page of a TPageControl. It is a more elaborate version of TPage, and adds the following features:

- Drag/Drop properties
- Ability to Enable/Disable the page
- Ability to make the Tab visible or hidden

## See also

Using Multi-Page Controls |  | MultiPageControls - controls that offer a selection of alternative pages for display.
How To Use Standard Controls |  | How to use StdCtrls, ComCtrls or ExtCtrls.