public class FileStoragePresenter
    {
        private readonly FileStorageServiceReference.FileStorageServiceClient model = new FileStorageServiceReference.FileStorageServiceClient();
        private readonly IFileStorageClient view;

        public FileStoragePresenter(IFileStorageClient view)
        {
            this.view = view;
            this.view.DirectoryListRequested += view_DirectoryListRequested;
            this.view.CreateFile += view_CreateFile;
            this.view.CreateDir += view_CreateDir;
            this.view.RenameMoveFile += view_RenameMoveFile;
            this.view.RenameMoveDir += view_RenameMoveDir;
            
            this.view.DeleteFiles += view_DeleteFiles;
            this.view.DeleteDir += view_DeleteDir;
        }

        private void view_RenameMoveFile(string oldRelativePath, string newRelativePath)
        {
            try
            {
                model.RenameOrMoveFile(oldRelativePath, newRelativePath);
                view_DirectoryListRequested();
                view.SetStatusMessage(String.Empty);
            }
            catch (FaultException ex)
            {
                view.SetStatusMessage(ex.Message);
            }
        }
      ...
     }