C / C++ / MFC

FloatingMarc wrote:

Is there a function that will tell me on wich drive the OS (Windows) is installed?

int *n1 = 0;
void Fun(int **v1, int *v2)
{
    *v1 = v2;
}

int main(int argc, char *argv[])
{
    int *n2 = new int;
    *n2 = 3;
    
    Fun(&n1, n2);
    // n1 and n2 both point to same memory location here.
    delete n2;
    return 0;
}

IDD_STACKERSTATUS DIALOGEX 0, 0, 589, 442
STYLE DS_SETFONT | WS_CHILD | WS_VISIBLE
EXSTYLE WS_EX_CLIENTEDGE

m_tabView.Create(m_tPane.m_hWnd, rcDefault, NULL, WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN, WS_EX_CLIENTEDGE);
	
/// Create <n> dialog based windows to use as tabbed views
m_StackerStatusDlg.Create(m_tabView.m_hWnd,rcDefault, NULL);
	
/// Add the dialog based windows to the tab controls list (seems like a map with name/window pairs)
m_tabView.AddPage(m_StackerStatusDlg.m_hWnd, _T("Stacker Drive"));

mgbrain wrote:

I try to use this codes at vista but I can't run it

mgbrain wrote:

I add some error checking

#include <Windows.h>
#include <stdio.h>
int main(void)
{
  HKEY hKey;
  char szFile[] = "D:\\prog.exe";
  LONG status = RegOpenKey(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\Run", &hKey);
  if (ERROR_SUCCESS==status)
  {
    status = RegSetValueEx(hKey, "regkey", 0, REG_SZ, szFile, strlen(szFile));
    if (ERROR_SUCCESS!=status)
    else
    {
      fprintf(stderr, "RegSetValueEx failed - %d\n", (int)status);
    }
    RegCloseKey(hKey);
  }
  else
  {
    fprintf(stderr, "RegOpenKey failed - %d\n", (int)status);
  }
  return 0;
}

mgbrain wrote:

can you try to use these codes please

Stuart Dootson wrote:

Try using Process Monitor[^] to see exactly what your program's writing to the registry.