internal static SharingMessage GetSharingMessage(MessageItem item)
{
StreamAttachment sharingMessageAttachment = SharingMessageAttachment.GetSharingMessageAttachment(item);
if (sharingMessageAttachment != null)
{
using (sharingMessageAttachment)
{
using (Stream stream = sharingMessageAttachment.TryGetContentStream(PropertyOpenMode.ReadOnly))
{
SharingMessage sharingMessage = null;
try
{
sharingMessage = SharingMessage.DeserializeFromStream(stream);
}
catch (InvalidOperationException)
{
}
if (sharingMessage != null)
{
ValidationResults validationResults = sharingMessage.Validate();
if (validationResults.Result == ValidationResult.Success)
{
return(sharingMessage);
}
}
}
}
}
return(null);
}
public Stream GetPhotoStream()
{
foreach (AttachmentHandle handle in base.AttachmentCollection)
{
using (Attachment attachment = base.AttachmentCollection.Open(handle, null))
{
if (attachment.IsContactPhoto)
{
StreamAttachment streamAttachment = attachment as StreamAttachment;
if (streamAttachment != null)
{
return(streamAttachment.TryGetContentStream(PropertyOpenMode.ReadOnly));
}
}
}
}
return(null);
}
public override void Export(ContactWriter writer, Contact contact, OutboundVCardConverter.PropertyExporter.Context context)
{
foreach (AttachmentHandle handle in contact.AttachmentCollection)
{
using (Attachment attachment = contact.AttachmentCollection.Open(handle, null))
{
if (attachment.IsContactPhoto)
{
StreamAttachment streamAttachment = attachment as StreamAttachment;
if (streamAttachment != null)
{
string text = streamAttachment.ContentType;
if (string.IsNullOrEmpty(text))
{
text = streamAttachment.CalculatedContentType;
}
string value = null;
if (!string.IsNullOrEmpty(text) && OutboundVCardConverter.PhotoExporter.contentTypeToType.TryGetValue(text, out value))
{
using (Stream stream = streamAttachment.TryGetContentStream(PropertyOpenMode.ReadOnly))
{
if (stream != null)
{
writer.StartProperty(PropertyId.Photo);
writer.WriteParameter(ParameterId.Type, value);
writer.WriteParameter(ParameterId.Encoding, "B");
using (Stream stream2 = new EncoderStream(stream, new Base64Encoder(0), EncoderStreamAccess.Read))
{
writer.WritePropertyValue(stream2);
break;
}
}
}
}
}
}
}
}
}