01.[DllImport(@"C:\Users\ymatrix\Documents\visual studio 2012\Projects\DLL_Suntower_test\DLL_Suntower_test\bin\Debug\CalParkSun.dll")]
02. static extern int calfee2(int min, int fareid, ref int fee12);
03. static void Main(string[] args)
04. {
05. int fee12 = 0;
06. try
07. {
08. int a = DBactive();
09. if (a == 0)
10. {
11. Console.WriteLine("db connected");
12. Console.WriteLine();
13. Console.WriteLine (calfee2(30, 15,ref fee12));
14. Thread.Sleep(1000);
15.
16.
17. }
18.
19. }
20. catch (Exception ex)
21. {
22. Console.WriteLine(ex.Message);
23. }
