private void NeedWords() { if (_words == null) { Error_Control_Block ecb = new Error_Control_Block(); int wordCount = GetWordCount(); _words = new IGR_Page_Word[wordCount]; if (wordCount > 0) { Check(ISYS11df.IGR_Get_Page_Words(_pageHandle, 0, ref wordCount, _words, ref ecb), ecb); } } }