source: trunk/sources/HeuristicLab.ExtLibs/HeuristicLab.Netron/3.0.2672.12446/Netron.Diagramming.Core-3.0.2672.12446/Core/Interfaces/IUndoSupport.cs @ 4068

namespace Netron.Diagramming.Core {
  /// <summary>
  /// Interface that your application classes can implement
  /// in order to perform the actual undo/redo functionality. 
  /// </summary>
  public interface IUndoSupport {
    /// <summary>
    /// Undo of the last action
    /// </summary>
    /// <remarks>Calling this on a class level will call the Undo method of the last ICommand in the stack.</remarks>
    void Undo();
    /// <summary>
    /// Performs the actual action or redo in case the actions was undoe before
    /// </summary>
    /// <remarks>Calling this on a class level will call the Redo method of the last ICommand in the stack.</remarks>
    void Redo();
  }
}