// Use this for initialization void Start() { // 获取int类型 int int_value = cpp_get_int_value(); Console.WriteLine("cpp_get_int_value\t " + int_value); // 获取int类型 指针 int int_ptr = new int(); cpp_get_int_ptr(ref int_ptr); Console.WriteLine("cpp_get_int_ptr\t " + int_ptr); // 获取int类型 引用 int int_ref = new int(); cpp_get_int_ref(ref int_ref); Console.WriteLine("cpp_get_int_ref\t " + int_ref); // 获取float类型 float float_value = cpp_get_float_value(); Console.WriteLine("cpp_get_float_value\t " + float_value); // 获取float类型 指针 float float_ptr = new float(); cpp_get_float_ptr(ref float_ptr); Console.WriteLine("cpp_get_float_ptr\t " + float_ptr); // 获取float类型 引用 float float_ref = new float(); cpp_get_float_ref(ref float_ref); Console.WriteLine("cpp_get_float_ref\t " + float_ref); // 获取结构体类型 cpp_struct_one stu = new cpp_struct_one(); cpp_get_struct_one_value(ref stu); Console.WriteLine("cpp_get_struct_one_value " + stu.value1 + " " + stu.value2); // 获取结构体类型 方法2 cpp_struct_one stu2 = new cpp_struct_one(); cpp_get_struct_one_value2(ref stu2); Console.WriteLine("cpp_get_struct_one_value2 " + stu2.value1 + " " + stu2.value2); // 获取结构体类型 方法3 // 使用非托管内存 int cpp_struct_one_size = Marshal.SizeOf(typeof(cpp_struct_one)); IntPtr cpp_struct_one_buffer = Marshal.AllocHGlobal(cpp_struct_one_size); cpp_get_struct_one_value3(cpp_struct_one_buffer); cpp_struct_one stu3 = (cpp_struct_one)Marshal.PtrToStructure(cpp_struct_one_buffer, typeof(cpp_struct_one)); Console.WriteLine("cpp_get_struct_one_value3 " + stu3.value1 + " " + stu3.value2); // 获取结构体类型2(带数组结构体) // 使用非托管内存 int cpp_struct_two_size = Marshal.SizeOf(typeof(cpp_struct_two)); IntPtr cpp_struct_two_buffer = Marshal.AllocHGlobal(cpp_struct_two_size); cpp_get_struct_two_value(cpp_struct_two_buffer, 10); cpp_struct_two stu4 = (cpp_struct_two)Marshal.PtrToStructure(cpp_struct_two_buffer, typeof(cpp_struct_two)); Console.WriteLine("cpp_get_struct_two_value " + stu4.value1[5] + " " + stu3.value2); // 获取字符串 StringBuilder str = new StringBuilder(); cpp_get_string_value(ref str); Console.WriteLine("cpp_get_string_value " + str.ToString()); // 获取int型数组 方法1 int[] arr1 = new int[10]; cpp_get_int_arr1(ref arr1[0], arr1.Length); Console.WriteLine("cpp_get_int_arr1 5 " + arr1[5]); // 获取int型数组 方法2 int[] arr2 = new int[10]; cpp_get_int_arr2(arr2, arr2.Length); Console.WriteLine("cpp_get_int_arr2 5 " + arr2[5]); // 获取int型数组 方法3 int arr3_length = 10; int arr3_size = Marshal.SizeOf(typeof(int)) * arr3_length; IntPtr arr3_buffer = Marshal.AllocHGlobal(arr3_size); cpp_get_int_arr3(arr3_buffer, arr3_length); int arr3_test_value = (int)Marshal.PtrToStructure(arr3_buffer + 5 * Marshal.SizeOf(typeof(int)), typeof(int)); Console.WriteLine("cpp_get_int_arr3 " + arr3_test_value); // 传入字符串 string s = "hello world"; cpp_set_string_value(s); }
private static extern void cpp_get_struct_one_value2(ref cpp_struct_one stu);