/// <summary>
/// Cache button: look up a URL in the Google cache, display size of page
/// </summary>
private void cacheButton_Click(object sender, System.EventArgs e)
{
// Create a Google Search object
GoogleSearchService s = new GoogleSearchService();
// Invoke the doGetCachedPage method and get the cached bytes
System.Byte[] bytes = s.doGetCachedPage(keyBox.Text, cacheBox.Text);
// Display the length of the cached page
cacheResultLabel.Text = Convert.ToString(bytes.Length);
}