ATL / WTL / STL

// Object is a base class (that does not need to do anything)
class Object
{
public:
    Object()
    {
        cout << "Object constructor" << endl;
    };
    virtual ~Object()
    {
        cout << "Object destructor" << endl;
    };
};

// Widget, and all other classes need to inherit Object
class Widget : Object
{
public:
    Widget()
    {
        cout << "Widget constructor" << endl;
    };
    ~Widget()
    {
        cout << "Widget destructor" << endl;
    };
};

// Delete_Stuff takes an Object pointer as its second parameter
static void Delete_Stuff(char* name, Object* object)
{
    cout << "cleanup " << name << endl;

    // delete will now correctly delete any object
    delete object;
}

Rainsey Long wrote:

metro app

#include "targetver.h"

#include <SDKDDKVer.h>

#ifndef WINVER
    #ifdef _WIN32_WINNT
        // set WINVER based on _WIN32_WINNT
        #define WINVER          _WIN32_WINNT
    #else
        #define WINVER          0x0601
    #endif
#endif

#ifndef WINVER
#define WINVER 0x0400 
#endif

#include "targetver.h"

Quote:

What are TCHAR, WCHAR, LPSTR, LPWSTR, LPCTSTR (etc.)?

#define UNICODE // defined when you set the Windows functions to Unicode-style in VS
#include <windows.h>
#include <stdio.h>

void foo(void)
{
   FILE* fp = fopen( "bar", "rb" );
   int c;

   //...

   while ((c = getc(fp) != EOF)
   {
       if ( c == '\x42' )
           MessageBox( NULL, L"Telemetry", L"Bad input", MB_OK );
       // further processing here...
   }

   //...
}

bkelly13 wrote:

Am I OK with Unicode and strings such as L"read this"? Do I need to use the UTF-8 options?

Richard MacCutchan wrote:

If you make everything Unicode, you should not have any issues.

bkelly13 wrote:

What is this deal with this WCHAR

Daniel Pfeffer wrote:

Richard MacCutchan wrote:

If you make everything Unicode, you should not have any issues.

wstring_convert<codecvt_utf8_utf16<wchar_t>> converter;

WCHAR m_address[] = L"128.56.22.8";
// or
LPCWSTR m_address = L"128.56.22.8";

BOOL result = Connect(m_address, nPort);

char m_address[] = "128.56.22.8";
// or
LPCSTR m_address = "128.56.22.8";

BOOL result = Connect(m_address, nPort);

TCHAR m_address[] = TEXT("128.56.22.8");
// or
LPCTSTR m_address = TEXT("128.56.22.8");

BOOL result = Connect(m_address, nPort);