c#导入c++ dll

__declspec(dllimport) BYTE * __cdecl AToB(char *); --C++CODE



[DllImport(@"C:\Documents and Settings\901297\deccdll.dll")]
????????????????????????????????????????????????? --C#怎样导入调用

------解决方案--------------------

C# code

 [DllImport("deccdll.dll", EntryPoint = "進入點名稱")]