public Maybe <PropertyId> GetPropertyId(Guid propertySet, string propertyName)
{
var entryStream = propertyContextBasedPropertyReader.Read(MapObjectPath.Ids, MAPIProperties.PidTagNameidStreamEntry);
var stringStream = propertyContextBasedPropertyReader.Read(MapObjectPath.Ids, MAPIProperties.PidTagNameidStreamString);
if (entryStream.HasNoValue || stringStream.HasNoValue)
{
return(Maybe <PropertyId> .NoValue());
}
var entriesCount = entryStream.Value.Value.Length / 8;
for (var i = 0; i < entriesCount; i++)
{
var entry = NAMEID.OfValue(entryStream.Value.Value.Take(i * 8, 8));
if (entry.Type == 1)
{
var length = stringStream.Value.Value.Take(entry.PropertyId, 4).ToInt32();
var value = stringStream.Value.Value.Take(entry.PropertyId + 4, length);
var name = Encoding.Unicode.GetString(value);
if (name == propertyName)
{
return(Maybe <PropertyId> .OfValue(new PropertyId(entry.PropertyIndex + 0x8000)));
}
}
}
return(Maybe <PropertyId> .NoValue());
}
public Maybe <PropertyId> GetPropertyId(Guid propertySet, int numericalId)
{
var entryStream = propertyContextBasedPropertyReader.Read(MapObjectPath.Ids, MAPIProperties.PidTagNameidStreamEntry);
if (entryStream.HasNoValue)
{
return(Maybe <PropertyId> .NoValue());
}
var entriesCount = entryStream.Value.Value.Length / 8;
for (var i = 0; i < entriesCount; i++)
{
var entry = NAMEID.OfValue(entryStream.Value.Value.Take(i * 8, 8));
if (entry.Type == 0)
{
if (entry.PropertyId == numericalId)
{
return(Maybe <PropertyId> .OfValue(new PropertyId(entry.PropertyIndex + 0x8000)));
}
}
}
return(Maybe <PropertyId> .NoValue());
}
