Sample.cs

#region IDisposable Implementation

private bool disposed;
public void Dispose()
{
    Dispose(true);
    GC.SuppressFinalize(this);
}

protected virtual void Dispose(bool disposing)
{
    if (!this.disposed && disposing)
    {
        // Dispose of all resources here.
    }
    this.disposed = true;
}

#endregion