/// <summary>
/// Remove items from directory
/// </summary>
/// <param name="fileSystemItem"></param>
public void Remove(FileSystemItem fileSystemItem)
{
this.Children.Remove(fileSystemItem);
}
/// <summary>
/// Add children to the directory
/// </summary>
/// <param name="fileSystemItem"></param>
public void Add(FileSystemItem fileSystemItem)
{
this.Children.Add(fileSystemItem);
}