怎么知道另一程序是否正在执行?

Question

怎么知道另一程序是否正在执行?
如果在执行把他调到前台

Answer 1

if(pWndPrev=CWnd::FindWindow(_T("#32770"),"OnlyOneInst"))
{
pWndChild=pWndPrev->GetLastActivePopup();
if(pWndPrev->IsIconic())
pWndPrev->ShowWindow(SW_RESTORE);
pWndChild->SetForegroundWindow();
return FALSE;
}
else return TRUE;);

Answer 2

http://www.codeguru.com/system/PList.html
single interface to enumerate processes//enum process to find a certain module
void CPtbView::IsAppRun(CString modulename)
{
DWORD buf[4096];
DWORD num;
TCHAR filenamebuf[_MAX_PATH+1];
HMODULE hModule;
DWORD cbReturned;
BOOL bret=EnumProcesses(buf,4095,&num);
bool bfound=false;
CString msg;

if(!bret)
{
AfxMessageBox("Error EnumProcesses");
return;
}

for(int i=0;i<(int)num;i++)
{
HANDLE hProcess =OpenProcess(PROCESS_QUERY_INFORMATION&brvbar; PROCESS_VM_READ,false,buf[i]);
if(hProcess ==NULL)
continue;
bret=EnumProcessModules(hProcess ,&hModule, sizeof(hModule), &cbReturned );
if(bret)
{
DWORD dwret=GetModuleFileNameEx(hProcess ,hModule,filenamebuf,_MAX_PATH);
CloseHandle( hProcess  ) ;
if(dwret==0)
{
msg.Format("%d",GetLastError());
AfxMessageBox(msg);
break;
}
else
{
TCHAR* pfind=_tcsstr(filenamebuf,modulename);
if(pfind)
{
bfound=true;
break;
}
}
}
}
if(bfound)
AfxMessageBox("Found it");
else
AfxMessageBox("Not found");
}void CPtbView::OnViewCheckrun()
{
IsAppRun("notepad.exe");
}

Answer 3

#include "Tlhelp32.h"
void CListProcessesDlg::ListProcesses()
{
HANDLE hProcessSnap=NULL;
PROCESSENTRY32 pe32={0}; hProcessSnap=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
if(hProcessSnap==(HANDLE)-1)
{
AfxMessageBox("Create Tool Help32Snapshot() failed\n");
return;
}
pe32.dwSize=sizeof(PROCESSENTRY32);
if(Process32First(hProcessSnap,&pe32))
{
do{
m_ctrlLstProcesses.AddString(pe32.szExeFile);
}
while(Process32Next(hProcessSnap,&pe32));
}
else
{
AfxMessageBox("Process32First() failed\n");
}
CloseHandle(hProcessSnap);
}