I'm updating item in SPListItemCollection using SPListItem.Upadte() but my event receiver is not receiving ItemUpdating/ItemUpdated events (breakpoints are not hit on either handlers).
Sample code that fails to invoke itemupdating event:
SPListItem opFolder = list.Folders.Add(strURL, SPFileSystemObjectType.Folder, strNewName);
opFolder["ContentTypeId"] = strNewContentType;
opFolder["ParentID"] = spf["NodeID"].ToString();
opFolder.Update();