public class Background : Microsoft.Xna.Framework.DrawableGameComponent
{
    #region Private Members
    private SpriteBatch m_spriteBatch;
    private ContentManager m_conManager;
 
    private Texture2D m_bgTexture;
    private string m_texSource;
    #endregion

#region Constructor
public Background (Game game)
    : base ( game )
{
    // Instantiates a new Content Manager. The CM class
    // is a lightweight object that allows us to load and
    // process XNA content.
    m_conManager = new ContentManager ( game.Services );
}
#endregion
 
#region Load / Unload Content
protected override void LoadGraphicsContent (bool loadAllContent)
{
    base.LoadGraphicsContent ( loadAllContent );
 
    // Load All Content is true when the Device is created
    // or goes through a hard reset. This happens when the
    // window is created and sometimes when moved to 
    // another monitor.
    if ( loadAllContent )
    {
        // Instantiates a new SpriteBatch object.
        m_spriteBatch = new SpriteBatch ( GraphicsDevice );
 
        // Checks if the texture file exists, and if so
        // loads the texture.
        if ( File.Exists ( m_texSource + ".xnb" ) )
            m_bgTexture = m_conManager.Load<Texture2D> ( m_texSource );
    }
}
 
protected override void UnloadGraphicsContent (bool unloadAllContent)
{
    base.UnloadGraphicsContent ( unloadAllContent );
 
    // Much like loadAllContent, the value of unloadAllContent
    // is true when the device is created or goes through a hard
    // reset. This occurs before a LoadGraphicsContent(...) in
    // the latter cases.
    if ( unloadAllContent )
    {
        // Unloads all the data.
        m_conManager.Unload ();
 
        // Dispose of unmanaged memory and
        // set the paddle texture to null
        if ( m_bgTexture != null )
        {
            m_bgTexture.Dispose ();
            m_bgTexture = null;
        }
 
        // Dispose of the spritebatch
        // and set it to null.
        if ( m_spriteBatch != null )
        {
            m_spriteBatch.Dispose ();
            m_spriteBatch = null;
        }
    }
}
#endregion

#region Drawing
public override void Draw (GameTime gameTime)
{
    base.Draw ( gameTime );
 
    // If the texture doesn't exist, we can't draw!
    if ( m_bgTexture == null )
        return;
 
    // Start drawing.
    m_spriteBatch.Begin ( SpriteBlendMode.AlphaBlend, SpriteSortMode.Immediate, SaveStateMode.SaveState );
 
    // Draw the paddle.
    m_spriteBatch.Draw ( m_bgTexture, Vector2.Zero, Color.White );
 
    // End drawing.
    m_spriteBatch.End ();
}
#endregion

#region Properties
/// <summary>
/// Gets or Sets the source of the paddle's texture.
/// </summary>
public string TextureSource
{
    get { return m_texSource; }
    set { m_texSource = value; }
}
#endregion