About "substrings" Object 追蹤
1 How can i understand "substrings" object ? After i use "engine" to open a .btw file ,the count of substrings equals 0, Is there nothing in the .btw file? the .btw file has been attached.
2 How can i change the 'label code(12345678901234567890)' and 'text(样本文本)' in the .btw file through C# code ?