/// <summary>
/// Parse the supplied byte array containing UTF-8 encoded vCard information (= vcf data) into a
/// Windows Phone ContactInformation class (the ContactData property).
/// </summary>
/// <param name="vCardByte">UTF-8 encoded byte array that contains the vCard data to parse.</param>
/// <returns>Task to await completion of the operation.</returns>
public async Task ParseDataToContact(byte[] vCardByte)
{
var ms = new System.IO.MemoryStream(vCardByte);
var input = System.IO.WindowsRuntimeStreamExtensions.AsInputStream(ms);
// Find out vCard version (not done automatically)
var vCardVersionPattern = new Regex(@"^VERSION:(?<vcvers>.+)$", RegexOptions.Multiline);
var vCardVersionMatch = vCardVersionPattern.Match(Encoding.UTF8.GetString(vCardByte, 0, vCardByte.Length));
if (vCardVersionMatch.Success)
{
var vCardVersion = vCardVersionMatch.Groups["vcvers"].Value;
VCardFormatToWrite = vCardVersion.Trim().Equals("2.1") ? VCardFormat.Version2_1 : VCardFormat.Version3;
}
// Parse vCard
ContactData = await ContactInformation.ParseVcardAsync(input);
}