private static void CreateOutlookNamespace()
{
//Try to create new Outlook namespace 5 times, because mostly it fails the first time, if not yet running
for (int i = 0; i < 5; i++)
{
try
{
_outlookNamespace = OutlookApplication.GetNamespace("MAPI");
break; //Exit the for loop, if getting outlook namespace was successful
}
catch (COMException ex)
{
if (ex.ErrorCode == unchecked ((int)0x80029c4a))
{
Logger.Log(ex, EventType.Debug);
throw new NotSupportedException(OutlookRegistryUtils.GetPossibleErrorDiagnosis(), ex);
}
if (i == 4)
{
Logger.Log(ex, EventType.Debug);
throw new NotSupportedException("Could not connect to 'Microsoft Outlook'. Make sure Outlook 2003 or above version is installed and running.", ex);
}
else
{
Logger.Log("Try: " + i, EventType.Debug);
Thread.Sleep(1000 * 10 * (i + 1));
}
}
catch (InvalidCastException ex)
{
Logger.Log(ex, EventType.Debug);
throw new NotSupportedException(OutlookRegistryUtils.GetPossibleErrorDiagnosis(), ex);
}
catch (Exception ex)
{
if (i == 4)
{
Logger.Log(ex, EventType.Debug);
throw new NotSupportedException("Could not connect to 'Microsoft Outlook'. Make sure Outlook 2003 or above version is installed and running.", ex);
}
else
{
Logger.Log("Try: " + i, EventType.Debug);
Thread.Sleep(1000 * 10 * (i + 1));
}
}
}
}
private static void CreateOutlookInstance()
{
if (OutlookApplication == null || _outlookNamespace == null)
{
CreateOutlookApplication();
if (OutlookApplication == null)
{
throw new NotSupportedException("Could not create instance of 'Microsoft Outlook'. Make sure Outlook 2003 or above version is installed and retry.");
}
CreateOutlookNamespace();
if (_outlookNamespace == null)
{
throw new NotSupportedException("Could not connect to 'Microsoft Outlook'. Make sure Outlook 2003 or above version is installed and retry.");
}
else
{
Logger.Log("Connected to Outlook: " + VersionInformation.GetOutlookVersion(OutlookApplication), EventType.Debug);
}
}
//Just try to access the outlookNamespace to check, if it is still accessible, throws COMException, if not reachable
try
{
if (string.IsNullOrEmpty(ContactsSynchronizer.SyncContactsFolder))
{
_outlookNamespace.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderContacts);
}
else
{
_outlookNamespace.GetFolderFromID(ContactsSynchronizer.SyncContactsFolder);
}
}
catch (COMException ex)
{
if (ex.ErrorCode == unchecked ((int)0x80029c4a))
{
Logger.Log(ex, EventType.Debug);
throw new NotSupportedException(OutlookRegistryUtils.GetPossibleErrorDiagnosis(), ex);
}
else if (ex.ErrorCode == unchecked ((int)0x80040111)) //"The server is not available. Contact your administrator if this condition persists."
{
try
{
Logger.Log("Trying to logon, 1st try", EventType.Debug);
_outlookNamespace.Logon("", "", false, false);
Logger.Log("1st try OK", EventType.Debug);
}
catch (Exception e1)
{
Logger.Log(e1, EventType.Debug);
try
{
Logger.Log("Trying to logon, 2nd try", EventType.Debug);
_outlookNamespace.Logon("", "", true, true);
Logger.Log("2nd try OK", EventType.Debug);
}
catch (Exception e2)
{
Logger.Log(e2, EventType.Debug);
throw new NotSupportedException("Could not connect to 'Microsoft Outlook'. Make sure Outlook 2003 or above version is installed and running.", e2);
}
}
}
else
{
Logger.Log(ex, EventType.Debug);
throw new NotSupportedException("Could not connect to 'Microsoft Outlook'. Make sure Outlook 2003 or above version is installed and running.", ex);
}
}
}
private static void CreateOutlookApplication()
{
//Try to create new Outlook application 3 times, because mostly it fails the first time, if not yet running
for (int i = 0; i < 3; i++)
{
try
{
// First try to get the running application in case Outlook is already started
try
{
OutlookApplication = Marshal.GetActiveObject("Outlook.Application") as Outlook.Application;
break; //Exit the for loop, if creating outlook application was successful
}
catch (COMException ex)
{
if (ex.ErrorCode == unchecked ((int)0x80029c4a))
{
Logger.Log(ex, EventType.Debug);
throw new NotSupportedException(OutlookRegistryUtils.GetPossibleErrorDiagnosis(), ex);
}
// That failed - try to create a new application object, launching Outlook in the background
OutlookApplication = new Outlook.Application();
break;
}
catch (InvalidCastException ex)
{
Logger.Log(ex, EventType.Debug);
throw new NotSupportedException(OutlookRegistryUtils.GetPossibleErrorDiagnosis(), ex);
}
catch (Exception ex)
{
if (i == 2)
{
Logger.Log(ex, EventType.Debug);
throw new NotSupportedException("Could not connect to 'Microsoft Outlook'. Make sure Outlook 2003 or above version is installed and running.", ex);
}
else
{
Thread.Sleep(1000 * 10 * (i + 1));
}
}
}
catch (COMException ex)
{
if (ex.ErrorCode == unchecked ((int)0x80029c4a))
{
Logger.Log(ex, EventType.Debug);
throw new NotSupportedException(OutlookRegistryUtils.GetPossibleErrorDiagnosis(), ex);
}
if (i == 2)
{
Logger.Log(ex, EventType.Debug);
throw new NotSupportedException("Could not create instance of 'Microsoft Outlook'. Make sure Outlook 2003 or above version is installed and retry.", ex);
}
else
{
Thread.Sleep(1000 * 10 * (i + 1));
}
}
catch (InvalidCastException ex)
{
Logger.Log(ex, EventType.Debug);
throw new NotSupportedException(OutlookRegistryUtils.GetPossibleErrorDiagnosis(), ex);
}
catch (Exception ex)
{
if (i == 2)
{
Logger.Log(ex, EventType.Debug);
throw new NotSupportedException("Could not create instance of 'Microsoft Outlook'. Make sure Outlook 2003 or above version is installed and retry.", ex);
}
else
{
Thread.Sleep(1000 * 10 * (i + 1));
}
}
}
}