Class TvxBitmapUndoList

Unit

xomDXGraphics

Declaration

type TvxBitmapUndoList = class(TCollection)

Description

TvxBitmapUndoList

Hierarchy

• TCollection
• TvxBitmapUndoList

Overview

Methods

	procedure AfterConstruction; override;
	procedure BeforeDestruction; override;
	procedure LockList; virtual;
	procedure UnLockList; virtual;
	function CanUndo: Boolean; virtual;
	function CanRedo: Boolean; virtual;
	procedure EnumUndoSteps (AResult: TxomStrings); virtual;
	function AddUndoBitmap (ABitmap: TvxBitmap32; const ATitle: WideString = ''): TvxBitmapUndoItem; virtual;
	procedure Undo (ABitmap: TvxBitmap32; ARedoTitle: WideString = ''); virtual;
	procedure UndoToStep (ABitmap: TvxBitmap32; AStep: Integer = 0); virtual;
	procedure Redo (ABitmap: TvxBitmap32; AUndoTitle: WideString = ''); virtual;
	procedure Reset; virtual;

Properties

	property Items[Index:Integer]: TvxBitmapUndoItem read GetItem write SetItem;
	property Enabled: Boolean read FEnabled write FEnabled;
	property ActiveItem: TvxBitmapUndoItem read FActiveItem;
	property MaxUndoCount: Integer read FMaxUndoCount write FMaxUndoCount;
	property UndoHint: WideString read GetUndoHint;
	property RedoHint: WideString read GetRedoHint;
	property StoreType: TvxBitmapUndoListStoreType read FStoreType write FStoreType;
	property StorageFolder: WideString read FStorageFolder write SetStorageFolder;
	property OnChanged: TNotifyEvent read FOnChanged write FOnChanged;
	property OnAfterUndo: TNotifyEvent read FOnAfterUndo write FOnAfterUndo;
	property OnAfterRedo: TNotifyEvent read FOnAfterRedo write FOnAfterRedo;

Description

Methods

	procedure AfterConstruction; override;

	procedure BeforeDestruction; override;

	procedure LockList; virtual;

	procedure UnLockList; virtual;

	function CanUndo: Boolean; virtual;

	function CanRedo: Boolean; virtual;

	procedure EnumUndoSteps (AResult: TxomStrings); virtual;

	function AddUndoBitmap (ABitmap: TvxBitmap32; const ATitle: WideString = ''): TvxBitmapUndoItem; virtual;

	procedure Undo (ABitmap: TvxBitmap32; ARedoTitle: WideString = ''); virtual;

	procedure UndoToStep (ABitmap: TvxBitmap32; AStep: Integer = 0); virtual;

	procedure Redo (ABitmap: TvxBitmap32; AUndoTitle: WideString = ''); virtual;

	procedure Reset; virtual;

Properties

	property Items[Index:Integer]: TvxBitmapUndoItem read GetItem write SetItem;

	property Enabled: Boolean read FEnabled write FEnabled;

	property ActiveItem: TvxBitmapUndoItem read FActiveItem;

	property MaxUndoCount: Integer read FMaxUndoCount write FMaxUndoCount;

	property UndoHint: WideString read GetUndoHint;

	property RedoHint: WideString read GetRedoHint;

	property StoreType: TvxBitmapUndoListStoreType read FStoreType write FStoreType;

	property StorageFolder: WideString read FStorageFolder write SetStorageFolder;

	property OnChanged: TNotifyEvent read FOnChanged write FOnChanged;

	property OnAfterUndo: TNotifyEvent read FOnAfterUndo write FOnAfterUndo;

	property OnAfterRedo: TNotifyEvent read FOnAfterRedo write FOnAfterRedo;