protected void CopyAttachments(BodyConversionCallbacks callbacks, AttachmentCollection sourceCollection, AttachmentCollection targetCollection, bool copyInlinesOnly, bool targetIsPlainText, InboundConversionOptions optionsForSmime)
{
ReadOnlyCollection <AttachmentLink> readOnlyCollection = null;
bool flag = true;
if (callbacks.HtmlCallback != null && callbacks.HtmlCallback.AttachmentListInitialized)
{
readOnlyCollection = callbacks.HtmlCallback.AttachmentLinks;
flag = (flag && callbacks.HtmlCallback.ClearInlineOnUnmarkedAttachments);
}
if (callbacks.RtfCallback != null && callbacks.RtfCallback.AttachmentListInitialized)
{
readOnlyCollection = callbacks.RtfCallback.AttachmentLinks;
flag = (flag && callbacks.RtfCallback.ClearInlineOnUnmarkedAttachments);
}
if (readOnlyCollection == null)
{
if (copyInlinesOnly)
{
return;
}
using (IEnumerator <AttachmentHandle> enumerator = sourceCollection.GetEnumerator())
{
while (enumerator.MoveNext())
{
AttachmentHandle handle = enumerator.Current;
using (Attachment attachment = sourceCollection.Open(handle, null))
{
if (!attachment.IsCalendarException)
{
using (Attachment attachment2 = attachment.CreateCopy(targetCollection, new BodyFormat?(this.parameters.TargetFormat)))
{
attachment2.IsInline = false;
attachment2.Save();
}
}
}
}
return;
}
}
foreach (AttachmentLink attachmentLink in readOnlyCollection)
{
if (!copyInlinesOnly || attachmentLink.IsInline(flag))
{
using (Attachment attachment3 = sourceCollection.Open(attachmentLink.AttachmentId, null))
{
if (!copyInlinesOnly || !(attachment3 is ReferenceAttachment))
{
using (Attachment attachment4 = attachment3.CreateCopy(targetCollection, new BodyFormat?(this.parameters.TargetFormat)))
{
attachmentLink.MakeAttachmentChanges(attachment4, flag);
if (targetIsPlainText)
{
attachment4.IsInline = false;
}
attachment4.Save();
}
}
}
}
}
}
