public static void UpdateWithAction(this SPContentType contentType, Action <SPContentType> action, bool updateChildren = false, bool throwOnSealedOrReadOnly = false)
{
if (action == null)
{
return;
}
if (contentType.ParentList == null)
{
updateChildren = false;
}
action(contentType);
contentType.Update(updateChildren, throwOnSealedOrReadOnly);
if (contentType.ParentList != null)
{
return;
}
Dictionary <string, List <string> > listUrls = SPHelper.GetListUrls(contentType);
foreach (string webUrl in listUrls.Keys)
{
using (SPWeb web = contentType.ParentWeb.Site.OpenWeb(webUrl))
{
using (new Unsafe(web))
{
foreach (string listUrl in listUrls[webUrl])
{
SPList list = web.GetListByUrl(listUrl);
SPContentType ct = list.GetContentTypeById(contentType.Id);
if (ct != null)
{
action(ct);
ct.Update(throwOnSealedOrReadOnly);
}
}
}
}
}
}
public static bool ContainsContentTypeWithId(this SPList list, SPContentTypeId id)
{
SPContentType ct = list.GetContentTypeById(id);
return(ct != null);
}