将字符串格式的16进制转成2进制格式的字符串

截取字符串

word = word.Substring(word.Length - 7, 4);

 

转成二进制

 

word = "0000"+ Convert.ToString(Int32.Parse(word, System.Globalization.NumberStyles.HexNumber), 2);

 

16进制转10进制(int)

Int32.Parse( word ,  System.Globalization.NumberStyles.HexNumber )

10进制转2进制

Convert.ToString(str,2)