public static void Main() { byte[] string_filled_in_dll = new byte[21]; STRUCT_DLL struct_dll = new STRUCT_DLL(); struct_dll.count_int = 5; int[] ia = new int[5]; ia[0] = 2; ia[1] = 3; ia[2] = 5; ia[3] = 8; ia[4] = 13; GCHandle gch = GCHandle.Alloc(ia); struct_dll.ints = Marshal.UnsafeAddrOfPinnedArrayElement(ia, 0); int ret = func_dll(5, string_filled_in_dll, ref struct_dll); Console.WriteLine("Return Value: " + ret); Console.WriteLine("String filled in DLL: " + System.Text.Encoding.ASCII.GetString(string_filled_in_dll)); }
private static extern int func_dll( int an_int, [MarshalAs(UnmanagedType.LPArray)] byte[] string_filled_in_dll, ref STRUCT_DLL s );