TMenu

type TMenu = class(TLCLComponent)

protected

  class procedure WSRegisterClass; override;

Registers this component class with the current WidgetSet.

  procedure BidiModeChanged; virtual;

Performs actions needed when the value in BiDiMode has been changed.

  procedure CreateHandle; virtual;

Creates the Handle for the menu.

  procedure DoChange(); virtual;

Performs actions needed when the specified menu item has been changed.

  function GetHandle; virtual;

Gets the value for the Handle property.

  procedure GetChildren(); override;

Calls the specified process for the Items in the menu control.

  procedure MenuChanged(); virtual;

Implements the OnChange event handler assigned to menu items in the menu.

  procedure AssignTo(); override;

Copies property values from the class instance to the specified persistent object.

  procedure Notification(); override;

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

  procedure ParentBidiModeChanged();

Performs action when ParentBiDiMode has been changed.

  procedure SetChildOrder(); override;

Sets the order for the menu item specified in Child.

  procedure UpdateItems;

UpdateItems has an empty implementation in the current LCL version.

  property OnChange: TMenuChangeEvent; [rw]

Event handler signalled when a menu item in Items has been changed.

public

  FCompStyle: LongInt;

Stores component style flags.

  constructor Create(); override;

Constructor for the class instance.

  destructor Destroy; override;

Destructor for the class instance.

  procedure DestroyHandle; virtual;

Frees the Handles for the items on the menu.

  function FindItem();

Gets the menu item with the specified value in a given property.

  function GetHelpContext();

Gets the numeric help context for the menu item with the specified handle or command.

  function IsShortcut();

Indicates if the specified control message contains a shortcut (accelerator) key used in the menu.

  function HandleAllocated;

Returns True if a Handle has been allocated for the menu.

  function IsRightToLeft; virtual;

Indicates if Right-to-Left text display is used in the menu.

  function UseRightToLeftAlignment; virtual;

UseRightToLeftAlignment - returns True if Right-to-Left alignment is being used.

  function UseRightToLeftReading; virtual;

Indicates if right-to-left reading is used for the menu.

  procedure HandleNeeded;

Ensures that a Handle has been allocated for the menu.

  function DispatchCommand();

Executes the menu item with the specified numeric Command value.

  property Handle: HMENU; [r]

Handle for the menu allocated in the widgetset class.

  property Parent: TComponent; [rw]

Parent component for the menu.

  property ShortcutHandled: Boolean; [rw]

Indicates whether the shortcut key for a menu item is used in the menu.

published

  property BidiMode: TBidiMode; [rws]

Indicates whether Bi-directional text mode is implemented allowing use with languages like Arabic or Hebrew.

  property ParentBidiMode: Boolean; [rw]

The BiDiMode value for the parent component.

  property Items: TMenuItem; [r]

Contains the menu items displayed on the menu.

  property Images: TCustomImageList; [rw]

The image list with bitmaps used as glyphs for the menu items.

  property ImagesWidth: Integer; [rw]

Width for the bitmaps in the Images property.

  property OwnerDraw: Boolean; [rw]

Indicates if the menu items are drawn using the OnDrawItem event handler.

  property OnDrawItem: TMenuDrawItemEvent; [rw]

Event handler signalled to draw a menu item on the menu.

  property OnMeasureItem: TMenuMeasureItemEvent; [rw]

Event handler signalled to get the width and height for a menu item on the menu.

end;

TMenu

TMenu - a menu appearing in a form. Base class for TMainMenu or TPopupMenu.

TLCLComponent

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

TComponent,IUnknown,IInterfaceComponentReference

TPersistent,IFPObserved

TObject

How To Use Menus

HowToUseMenus - hints for creating Menus for your Forms.

TMainMenu

TMainMenu - the Main Menu that appears at the top of most windows.

TPopupMenu

Implements a menu panel that pops up on the screen when the right mouse button is clicked.

TMenuItem

Represents a menu item displayed in a menu.