/ViewModel/WorkspaceViewModel.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Windows.Input;



namespace QuickArch.ViewModel

{

    public abstract class WorkspaceViewModel : ViewModelBase

    {

        #region Fields

        RelayCommand _closeCommand;

        #endregion



        #region Constructor

        protected WorkspaceViewModel()

        {

        }

        #endregion



        #region CloseCommand

        //returns the command that attempts to remove this workspace from the UI

        public ICommand CloseCommand

        {

            get

            {

                if (_closeCommand == null)

                    _closeCommand = new RelayCommand(param => this.OnRequestClose());



                return _closeCommand;

            }

        }

        #endregion



        #region RequestClose [event]

        //raised when this workspace should be removed from the UI

        public event EventHandler RequestClose;



        void OnRequestClose()

        {

            EventHandler handler = this.RequestClose;

            if (handler != null)

                handler(this, EventArgs.Empty);

        }

        #endregion

    }

}