/// <summary>
 /// Unlocks the lockable items in the locking context</summary>
 ///<param name="items">Items to unlock</param>
 ///<param name="lockingContext">Locking context</param>
 public void Unlock(
     IEnumerable<object> items,
     ILockingContext lockingContext)
 {
     foreach (object item in items)
         if (lockingContext.CanSetLocked(item) && lockingContext.IsLocked(item))
             lockingContext.SetLocked(item, false);
 }
        /// <summary>
        /// Checks if the client can do the command</summary>
        /// <param name="commandTag">Command</param>
        /// <returns>True if client can do the command</returns>
        bool ICommandClient.CanDoCommand(object commandTag)
        {
            bool canDo = false;

            if (commandTag is StandardCommand)
            {
                ISelectionContext selectionContext = m_contextRegistry.GetActiveContext <ISelectionContext>();
                ILockingContext   lockingContext   = m_contextRegistry.GetActiveContext <ILockingContext>();
                if (selectionContext != null &&
                    lockingContext != null)
                {
                    switch ((StandardCommand)commandTag)
                    {
                    case StandardCommand.EditLock:
                        foreach (object item in selectionContext.Selection)
                        {
                            if (lockingContext.CanSetLocked(item) &&
                                !lockingContext.IsLocked(item))
                            {
                                canDo = true;
                                break;
                            }
                        }
                        break;

                    case StandardCommand.EditUnlock:
                        foreach (object item in selectionContext.Selection)
                        {
                            if (lockingContext.CanSetLocked(item) &&
                                lockingContext.IsLocked(item))
                            {
                                canDo = true;
                                break;
                            }
                        }
                        break;
                    }
                }
            }

            return(canDo);
        }
 /// <summary>
 /// Unlocks the lockable items in the locking context</summary>
 ///<param name="items">Items to unlock</param>
 ///<param name="lockingContext">Locking context</param>
 public void Unlock(
     IEnumerable <object> items,
     ILockingContext lockingContext)
 {
     foreach (object item in items)
     {
         if (lockingContext.CanSetLocked(item) && lockingContext.IsLocked(item))
         {
             lockingContext.SetLocked(item, false);
         }
     }
 }