Help with 2D animation

public class AnimatedTexture
{
  private int framecount;
  private Texture2D myTexture;
  private float TimePerFrame;
  private int Frame;
  private float TotalElapsed;private bool Paused;
  public virtual void Load(
    GraphicsDevice device, ContentManager content,
    string asset, int FrameCount, int FramesPerSec
  )
  {
    framecount = FrameCount;
    //myTexture = Texture2D.FromFile( device, filename );
    myTexture = content.Load(asset);TimePerFrame = (float)1 / FramesPerSec;
    Frame = 0;
    TotalElapsed = 0;
    Paused = false;
  }
  // class AnimatedTexture
  public void UpdateFrame(float elapsed)
  {
    System.Timers.Timer timer = new System.Timers.Timer();
    timer.Start();
    if (Paused)return;
    TotalElapsed += elapsed;
    if (TotalElapsed > TimePerFrame)
    {
      Frame++;
      // Keep the Frame between 0 and the total frames, minus one
      Frame = Frame % (framecount - 1);
      TotalElapsed -= TimePerFrame;
    }
  }
  // class AnimatedTexture
  public virtual void DrawFrame(SpriteBatch Batch, Vector2 screenpos)
  {
    DrawFrame(Batch, Frame, screenpos);
  }
  public void DrawFrame(SpriteBatch Batch, int Frame, Vector2 screenpos)
  {
    int FrameWidth = myTexture.Width / framecount;Rectangle sourcerect =
      new Rectangle(FrameWidth * Frame, 0, FrameWidth, myTexture.Height);
    Batch.Draw(myTexture, screenpos, sourcerect, Color.White);
  }
  public bool IsPaused
  {
    get { return Paused; }
  }
  public void Reset()
  {
    Frame = 0;
    TotalElapsed = 0f;
  }
  public void Stop()
  {
    Pause();
    Reset();
  }
  public void Play()
  {
    Paused = false;
  }
  public void Pause()
  {
    Paused = true;
  }
}