public IDocumentType CreateDocumentType(string qualifiedName, string publicId, string systemId) { nsIDOMDocumentType doctype; Base.StringSet(storage, qualifiedName); UniString pubId = new UniString(publicId); UniString sysId = new UniString(systemId); unmanagedDomImpl.createDocumentType(storage, pubId.Handle, sysId.Handle, out doctype); return(new DocumentType(this.control, doctype)); }