public void Undo()
{
if (LastPerformedCommandIdx > -1)
{
var command = commands[LastPerformedCommandIdx];
command.Undo();
--LastPerformedCommandIdx;
command.Undone?.Invoke();
Undone?.Invoke(command);
}
}
/// <summary>
/// 撤销操作
/// </summary>
/// <returns></returns>
public OperationStack Undo()
{
IsRecording = false;
var stack = UndoStack.Pop();
Undoing?.Invoke(stack.Item1, stack.Item2);
RedoStack.Push(stack);
Undone?.Invoke(stack.Item1, stack.Item2);
IsRecording = true;
return(stack.Item1);
}
/// <summary>
/// Undo last byteaction
/// </summary>
public void Undo()
{
if (CanUndo)
{
ByteModified last = _byteModifiedList.Last <ByteModified>();
for (int i = 0; i < last.UndoLenght; i++)
{
_byteModifiedList.RemoveAt(_byteModifiedList.Count - 1);
}
Undone?.Invoke(this, new EventArgs());
}
}
/// <summary>
/// Invoked Raised when an action item is undone.
/// </summary>
/// <param name="e">The arguments that will be passed to the <see cref="Undone"/> event raised by this method.</param>
protected virtual void OnUndone(ActionItemsEventArgs <IActionItem> e)
{
Undone?.Invoke(this, e);
}
public void Handle(IViewContext context, Undone domainEvent)
{
//context.DeleteThisViewInstance();
}
private void NotifyUndone()
{
Debug.Assert(Undone != null);
Undone?.Invoke(this, new RoutedEventArgs());
}
/// <summary>
/// Called when after undone.
/// </summary>
/// <param name="undoUnit">The undo unit.</param>
public virtual void OnUndone(IUndoUnit undoUnit)
{
Undone?.Invoke(this, undoUnit);
}
public void Apply(Undone e)
{
}
