///--------------------------------------------------------------------------------
/// <summary>This method puts an item into the delete queue.</summary>
///
/// <param name="item">The item to delete.</param>
///--------------------------------------------------------------------------------
public virtual void Delete(WorkspaceViewModel item)
{
ItemsToDelete.Add(item);
Items.Remove(item);
}
///--------------------------------------------------------------------------------
/// <summary>This method puts an item into the add queue.</summary>
///
/// <param name="item">The item to add.</param>
///--------------------------------------------------------------------------------
public virtual void Add(WorkspaceViewModel item)
{
ItemsToAdd.Add(item);
Items.Add(item);
}