/// <summary>
/// Create a service binding based off of default credentials,
/// the assumed root folder, and an assumed autodiscover email address
/// </summary>
/// <param name="version">EWS schema version to use. Passing NULL uses the
/// EWS Managed API default value.</param>
/// <param name="ewsUrl">URL to EWS endpoint. Passing NULL or an empty string
/// results in a call to Autodiscover</param>
/// <param name="autodiscoverAddress">Email address to use for Autodiscover.
/// Passing NULL or an empty string results in a ActiveDirectory querying.</param>
/// <returns>A new instance of an ExchangeService</returns>
private static void InitializeWithDefaults(ExchangeVersion?version, Uri ewsUrl, string autodiscoverAddress)
{
RequestedExchangeVersion = version;
UseDefaultCredentials = true;
// If the EWS URL is not specified, use Autodiscover to find it
if (ewsUrl == null)
{
// If no email address was given to use with Autodiscover, attempt
// to look it up in Active Directory
if (String.IsNullOrEmpty(autodiscoverAddress))
{
autodiscoverAddress = ActiveDirectoryHelper.GetPrimarySmtp(
System.Security.Principal.WindowsIdentity.GetCurrent().Name);
}
DoAutodiscover(autodiscoverAddress);
}
else
{
EwsUrl = ewsUrl;
}
try
{
//EWSEditor.Common.EwsEditorAppSettings oSettings = new EWSEditor.Common.EwsEditorAppSettings();
CreateExchangeService().TestExchangeService();
}
catch (ServiceVersionException ex)
{
DebugLog.WriteVerbose("Initial requested version of Exchange2010 didn't work, trying Exchange 2007_SP1", ex);
// Pass the autodiscover email address and URL if we've already looked those up
InitializeWithDefaults(ExchangeVersion.Exchange2007_SP1, EwsUrl, autodiscoverAddress);
}
}