private IEMessage OpenMessage(ref bool wasChanges)
{
if (_createNew && _OMTaskId == null)
{
return(null);
}
wasChanges = false;
IEMessage message = null;
if (!_createNew)
{
PairIDs IDs = PairIDs.Get(_task);
if (IDs == null)
{
if (_task.HasProp(PROP.EntryID))
{
IEFolder taskFolder = OutlookSession.OpenDefaultTaskFolder();
if (taskFolder == null)
{
return(null);
}
using ( taskFolder )
{
IDs = new PairIDs(_task.GetStringProp(PROP.EntryID), taskFolder.GetBinProp(MAPIConst.PR_STORE_ENTRYID));
}
}
if (IDs == null)
{
return(null);
}
}
message = OutlookSession.OpenMessage(IDs.EntryId, IDs.StoreId);
}
if (message == null)
{
IEFolder taskFolder = OutlookSession.OpenDefaultTaskFolder();
if (taskFolder == null)
{
return(null);
}
wasChanges = true;
using ( taskFolder )
{
message = taskFolder.CreateMessage("IPM.Task");
_created = true;
}
}
return(message);
}