/// <summary>
/// The redo.
/// </summary>
/// <param name="levels">
/// The levels.
/// </param>
public void Redo(int levels)
{
Console.WriteLine("\n---- Redo {0} levels ", levels);
// Perform redo operations
for (int i = 0; i < levels; i++)
{
if (this.Current < this.Commands.Count - 1)
{
AnAbstractCommand command = this.Commands[this.Current++];
command.Execute();
}
}
}
/// <summary>
/// The undo.
/// </summary>
/// <param name="levels">
/// The levels.
/// </param>
public void Undo(int levels)
{
Console.WriteLine("\n---- Undo {0} levels ", levels);
// Perform undo operations
for (int i = 0; i < levels; i++)
{
if (this.Current > 0)
{
AnAbstractCommand command = this.Commands[--this.Current] as AnAbstractCommand;
command.UnExecute();
}
}
}
