internal static WeakAttachmentsInfo GetOrCreateAttachments(object parent)
{
if (parent == null)
{
return(null);
}
lock (Attachments)
{
WeakAttachmentsInfo info;
if (Attachments.TryGetValue(parent, out info))
{
return(info);
}
info = new WeakAttachmentsInfo();
if (parent is WeakReferenceEx)
{
info.Parent = parent as WeakReferenceEx;
}
else
{
info.Parent = new WeakReferenceEx(parent);
}
Attachments[info.Parent] = info;
return(info);
}
}
private static WeakAttachmentsInfo CreateAttachmentsInfo(object parent)
{
var info = new WeakAttachmentsInfo();
if (parent is WeakReferenceEx)
{
info.Parent = parent as WeakReferenceEx;
}
else
{
info.Parent = new WeakReferenceEx(parent);
}
return(info);
}
