C / C++ / MFC

HKEY hKey;
    DWORD dwDisp = 0;
    LPDWORD lpdwDisp = &dwDisp;
    CString l_strExampleKey = "SYSTEM\\CurrentControlSet\\Services\\USBSTOR";
    CString l_strDWordSample = "Start";
    DWORD dwVal = 4;
	
  LONG iSuccess = RegOpenKeyEx (HKEY_LOCAL_MACHINE, "SYSTEM\\CurrentControlSet\\Services\\USBSTOR", 0L, KEY_READ , &hKey);

if(iSuccess == ERROR_SUCCESS)
       {
            RegSetValueEx (hKey, l_strDWordSample, 0L, REG_DWORD,(CONST BYTE*) &dwVal, sizeof(DWORD));
       }
RegCloseKey(hKey);

MsmVc wrote:

if(iSuccess == ERROR_SUCCESS)
{
RegSetValueEx (hKey, l_strDWordSample, 0L, REG_DWORD,(CONST BYTE*) &dwVal, sizeof(DWORD));
}

Rajesh R Subramanian wrote:

This is an undocumented secret.

Rajesh R Subramanian wrote:

We aim to please.

manjunath k reddy wrote:

here for c is memory allocated. and can i access class methods from c.

Naveen wrote:

such function calls are possible if the function disp() is not accessing any of the member variable of class abc

Roger Stoltz wrote:

it cannot be a virtual function since the virtual table goes with the instance of the object

manjunath k reddy wrote:

class abc
{
public:
  abc()
  {
  }

  void disp()
  {
     //do some thing with class variables
  }
};

int main()
{
  abc *c = 0;
  c->disp();
  return 0;
}

here for c is memory allocated. and can i access class methods from c.