C# 負數和十六進位制轉換

 1         /// <summary>
 2         /// 十六進位制轉為負數
 3         /// </summary>
 4         /// <param name="strNumber"></param>
 5         /// <returns></returns>
 6         private static int HexStringToNegative(string strNumber)
 7         {
 8
 
             int iNegate = 0;
 9             int iNumber = Convert.ToInt32(strNumber, 16);
10 
11             if (iNumber > 127)
12             {
13                 short bbb = (short)~(iNumber - 1);
14                 string bin = Convert.ToString(bbb, 2).PadLeft(16, '0');
15                 iNegate = -Convert.ToInt32(bin, 2
 
);
16             }
17             return iNegate;
18         }
19         /// <summary>
20         /// 整數轉負數的16進位制
21         /// </summary>
22         /// <param name="Number"></param>
23         /// <returns></returns>
24         private static string NegativeToHexString(int
 
 Number)
25         {
26             short iComplement =(short) (~Number + 1);
27             string strResult = Convert.ToString(iComplement, 16).ToUpper();
28             return strResult;
29         }