dynamic array of type

Code:

---

Private Type tData
    Label As String
    Data As String
End Type


Private Sub Form_Load()
    Dim arrData() As tData
End Sub

---

I want to do the same as above in c++ (i.e. a dynamic array that holds a struct). I realise I'll be using a struct and vector but I cannot work out the implementation.

Please can somebody give me a few ideas...

Many thanks

struct
{
int *someInts;
char *someChars;
long count;
}myStruct;

.....
// Some code
myStruct *theStruct = new myStruct[872893];
// Some more code

This is for dynamic arrays.
For vectors I think:

typedef vector<myStruct> myVector;

myVector haha;

haha.push_back(...)

And so on. It's the struct and typedef that matter. Declare the struct - or class - or whatever - then declare the vector using a typedef:

typedef vector<Type> VectorTypeName;

There you go. If my stuff is bad programming, don't worry as structs and vectors are detailed in the MSDN library.

OK?

HD

For Label and Data, I'd use the string class rather than a char* pointer.

Thanks for the replies.

I am still having trouble though:

I have the following class:

Code:

---

#ifndef __CCONFIG_H__
#define __CCONFIG_H__

#include "CFile.h"
#include <vector>


class CConfig
{
public:
        int Parse(const std::string &path);
        struct CONFIG {std::string Label; std::string Value;};

private:
        std::vector<CONFIG> config();
};


#endif //__CCONFIG_H__

---

I need to know how I can access this from the class implmenatation to add elements to the vector.

Something like this? this->config[1].Label = "Label1";

many thanks...

I think that this:

std::vector<CONFIG> config();

needs to be changed to this:

typedef std::vector<CONFIG> config;

This defines that a vector containing elements of type CONFIG exists and has type config.

You have to initialise this:

config myConfigVector;

Then to add items you can use:

CONFIG thisConfig;
myConfigVector.push_back(thisConfig);

All this information on Vectors can be found in MSDN.

HD

many thanks guys. works like a dream.

don't need any typedefs though...

No problem. I'm so used to typedefs from C that I automatically do them.

HD

You don't need the typedefs, but they shorten your code and make it more readable.