mono/tests/pinvoke14.cs

   1 using System;
   2 using System.Runtime.InteropServices;
   3
   4 [StructLayout (LayoutKind.Sequential)]
   5 class SimpleObj
   6 {
   7         public string str;
   8         public int i;
   9 }
  10
  11 class Test {
  12
  13         [DllImport ("libtest")]
  14         static extern int class_marshal_test0 (SimpleObj obj);
  15
  16         [DllImport ("libtest")]
  17         static extern void class_marshal_test1 (out SimpleObj obj);
  18
  19         [DllImport ("libtest")]
  20         static extern int class_marshal_test2 (ref SimpleObj obj);
  21
  22         [DllImport ("libtest")]
  23         static extern int class_marshal_test4 (SimpleObj obj);
  24
  25         static int Main ()
  26         {
  27                 SimpleObj obj0 = new SimpleObj ();
  28                 obj0.str = "T1";
  29                 obj0.i = 4;
  30
  31                 if (class_marshal_test0 (obj0) != 0)
  32                         return 1;
  33
  34                 if (class_marshal_test4 (null) != 0)
  35                         return 2;
  36
  37                 SimpleObj obj1;
  38
  39                 class_marshal_test1 (out obj1);
  40
  41                 if (obj1.str != "ABC")
  42                         return 3;
  43
  44                 if (obj1.i != 5)
  45                         return 4;
  46
  47                 if (class_marshal_test2 (ref obj1) != 0)
  48                         return 5;
  49
  50                 return 0;
  51         }
  52 }