/// <summary>
/// Rollback current command. It does not saves any changes done in current command.
/// </summary>
public void Cancel()
{
AssertCurrentCommand();
log.Add(" [Cancel]");
Command cancelledCommand = PopCommand();
cancelledCommand.Undo();
}
/// <summary>Undo last command from history list</summary>
public void Undo()
{
AssertNoCommand();
if (CanUndo)
{
affinityOwner = null;
Command command = history[currentPosition--];
log.Add("[Undo '" + command.Caption + "']");
command.Undo();
OnCommandDone(command, CommandDoneType.Undo);
}
}