C / C++ / MFC

void CMyView::OnButton1()
{
   static CMyDlg s_dlg;
   s_dlg.Create(this);
}
 
void CMyView::OnButton2()
{
   static CMyDlg s_dlg;
   s_dlg.Create(this);
}
 
void CMyView::OnButton3()
{
   static CMyDlg s_dlg;
   s_dlg.Create(this);
}

void CMyDlg::Create(CWnd* pParentWnd)
{
  if (!::IsWindow(m_hWnd))   
    CDialog::Create(IDD, pParentWnd);
  ShowWindow(SW_SHOWNORMAL);
}

In CSomeDlg.h<br />
static BOOL CALLBACK EnumWindowsProc(HWND hwnd, LPARAM lParam);<br />
DWORD processPid;<br />
<br />
In CSomeDlg.cpp<br />
void CSomeDlg::startProcess()<br />
{<br />
  BOOL bWorked;<br />
  STARTUPINFO suInfo;<br />
  PROCESS_INFORMATION procInfo;<br />
  CString m_Process = "C:\\wherever\\process\\we\\want\\to\\start.exe";<br />
  char *vip =  "C:\\wherever\\process\\we\\want\\to\\start.exe whatever command line arguments here";<br />
<br />
  memset (&suInfo, 0, sizeof(suInfo));<br />
  suInfo.cb = sizeof(suInfo);<br />
<br />
  bWorked = ::CreateProcess(m_Process,<br />
             vip,      // can also be NULL<br />
             NULL,<br />
             NULL,<br />
             FALSE,<br />
             NORMAL_PRIORITY_CLASS,<br />
             NULL,<br />
             NULL,<br />
             &suInfo,<br />
             &procInfo);<br />
<br />
/*<br />
procInfo has these members<br />
    HANDLE hProcess;   // process handle<br />
    HANDLE hThread;    // primary thread handle<br />
    DWORD dwProcessId; // process PID<br />
    DWORD dwThreadId;  // thread ID<br />
*/<br />
<br />
  if (procInfo.dwThreadId = NULL)<br />
  {<br />
     MessageBox("nope");<br />
  }<br />
<br />
  playerPid = procInfo.dwProcessId;<br />
}<br />
<br />
<br />
<br />
void CSomeDlg::killProcess()<br />
{<br />
  HANDLE ps = OpenProcess( SYNCHRONIZE|PROCESS_TERMINATE, FALSE, processPid);<br />
  // processPid = procInfo.dwProcessId;<br />
<br />
  //  This function enumerates all widows, using the EnumWindowsProc callback<br />
  //  function, passing the PID of the process you started earlier.<br />
  EnumWindows(EnumWindowsProc, processPid);<br />
<br />
  CloseHandle(ps) ;<br />
}<br />
<br />
BOOL CALLBACK CSomeDlg::EnumWindowsProc(HWND hwnd, LPARAM lParam)<br />
{<br />
  DWORD wndPid;<br />
  CString Title;<br />
  // lParam = procInfo.dwProcessId;<br />
<br />
  //  This gets the windows handle and pid of enumerated window.<br />
  GetWindowThreadProcessId(hwnd, &wndPid);<br />
<br />
  //  This gets the windows title text from the window, using the window handle<br />
  CWnd::FromHandle( hwnd )->GetWindowText(Title);<br />
<br />
  //  this makes sure that the PID matches that PID we started, and window<br />
  // text exists, before we kill it . I don't think this is really needed, <br />
  // I included it because some apps have more than one window.<br />
  if ( wndPid == (DWORD)lParam && Title.GetLength() != 0)<br />
  {<br />
    //  Please kindly close this process<br />
    ::PostMessage(hwnd, WM_CLOSE, 0, 0);<br />
    return false;<br />
  }<br />
  else<br />
  {<br />
    // Keep enumerating<br />
    return true;<br />
  }<br />
}<br />
<br />

#include <stdio.h>
#include <stdlib.h>

int main()
{

  char   psBuffer[256];
  FILE   *pFile;

  /* Spawn "program_name.exe" so it writes its output to a pipe, 
   * which we can then read like a text file 
   */
  if( (pFile = _popen( "program_name.exe", "-h" )) == NULL )
     exit( 1 );
<BR><BR>
  /* Read pipe until EOF. */ 
  while( !feof( pFile ) )
  {
     if( fgets( psBuffer, 256, pFile ) != NULL )
        printf( psBuffer );
  }

  /* Close the pipe and print the return value of pFile. */
  printf( "Process returned %d\n", _pclose( pFile ) );
}

CTime( 
int nYear, 
int nMonth, 
int nDay, 
int nHour, 
int nMin, 
int nSec, 
int nDST = –1 );