等待进程终止WaitForSingleObject()

DWORD WINAPI WaitForSingleObject(
__in          HANDLE hHandle,
__in          DWORD dwMilliseconds
);

#include "stdafx.h"
#include "windows.h"
int _tmain(int argc, _TCHAR* argv[])
{
//LPTSTR program=_tcsdup(TEXT("notepad"));
TCHAR program[MAX_PATH]=TEXT("notepad");
STARTUPINFO si;
memset(&si, 0, sizeof(STARTUPINFO));
si.cb = sizeof(STARTUPINFO);
/*si.dwFlags = STARTF_USESHOWWINDOW;
si.wShowWindow = SW_SHOW; */
PROCESS_INFORMATION pi;
printf("Now starting process.../n");
CreateProcess(NULL,program,NULL,NULL,FALSE,0,NULL,NULL,&si,π);
printf("Waiting.../n");
WaitForSingleObject(pi.hProcess,INFINITE);
printf("OK/n");
system("pause");
return 0;
}