/// <summary>
/// Asynchronously reads data into the current <see cref="SearchPreview"/>.
/// </summary>
/// <param name="reader">
/// The <see cref="XmlReader"/> from which to read.
/// </param>
/// <returns>
/// A <see cref="Task"/> representing the operation.
/// </returns>
public async Task ReadXmlAsync(XmlReader reader)
{
Contract.Requires<ArgumentNullException>(reader != null);
//// Intitialize data members
this.metadata = new SearchResultMetadata();
await metadata.ReadXmlAsync(reader);
var results = new List<SearchResult>();
this.Results = new ReadOnlyCollection<SearchResult>(results);
//// Read the search preview
while (!(reader.NodeType == XmlNodeType.EndElement && reader.Name == "results"))
{
var result = new SearchResult(this.metadata);
await result.ReadXmlAsync(reader);
results.Add(result);
await reader.ReadAsync();
}
}