C / C++ / MFC

a_matseevsky wrote:

What are you talking about pointers?

a_matseevsky wrote:

I did. It was you who did not read

jschell wrote:

I read the following which you posted.

 

"but occurred again after some insignificant change in code (which was made far from the procedure, where problem occurred!)"

 

Presumably you do not understand what that statement means in terms of what I said and in terms of what you are claiming.

a_matseevsky wrote:

Where do you see pointers?

Rene Pilon wrote:

The idea here is to see if you can open it - and view all the contents (and then close it after of course).

if ( CopyFile(original.xps,new.xps,TRUE) )

Stefan_Lang wrote:

You seem to understand the question as storing elements of different types

enum EMyColors {
   C_RED,
   C_GREEN,
   C_YELLOW
};
template <class Base, int n_elements>
class CMyArray1 {
   std::vector<Base> values;
public:
   CMyArray1() : values(n_elements) {} // initialize array of given size
   Base& operator[](const wchar_t wc) {
      size_t index = wc - L'a'; // 'a'-based index (or whatever...)
      assert(index < values.size());
      return values[index];
   }
};
template <class Base, int n_vectors, int n_elements>
class CMyArray2 {
   std::vector< CMyArray1<Base, n_elements> > vectors;
public:
   CMyArray2() : vectors(n_vectors) {} // initialize array of given size
   CMyArray1<Base, n_elements>& operator[](int i) {
      size_t index = i - 1; // 1-based index (or whatever...)
      assert(index < vectors.size());
      return vectors[index];
   }
};
template <class Base, int n_arrays, int n_vectors, int n_elements>
class CMyArray3 {
   std::vector< CMyArray2<Base, n_vectors, n_elements> > arrays;
public:
   CMyArray3() : arrays(n_arrays) {} // initialize array of given size
   CMyArray2<Base, n_vectors, n_elements>& operator[](EMyColors c) {
      size_t index;
      switch (c) {
      case C_RED:
         index = 0;
         break;
      case C_GREEN:
         index = 1;
         break;
      default:
         index = 2;
         break;
      }
      return arrays[index];
   }
};
int foo() {
   CMyArray3<int, 3, 5, 8> my_array;
   my_array[C_GREEN][3][L'c'] = 17;
}