MFC获取主exe路径、启动另一个进程、关闭另一个进程、使同時只有一個進程在運行

启动另一个进程

STARTUPINFO startupInfo;

CString strStartPath1 = GetMainExeDir() + _T("xxxx\\xxxx.exe");

ZeroMemory( &startupInfo, sizeof( startupInfo ) );
startupInfo.cb = sizeof( startupInfo );
startupInfo.dwFlags = STARTF_USESHOWWINDOW; // 使特定成员有效
startupInfo.wShowWindow = (WORD)SW_SHOW;
PROCESS_INFORMATION processInfo;

DWORD dwErr = 0;
if (!CreateProcess(strStartPath1, NULL, NULL, NULL, FALSE, 0, NULL, NULL, &startupInfo, &processInfo/*processInfo*/))
{
dwErr = GetLastError();
}

PROCESSENTRY32 pe;
HANDLE hProcess;
CString filepath;
HANDLE hShot=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
pe.dwSize=sizeof(PROCESSENTRY32);
if(Process32First(hShot,&pe))
{
do
{
if(wcscmp(pe.szExeFile,sItemText)==0)
{
hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,pe.th32ProcessID);
TerminateProcess(hProcess,0);
}
}
while(Process32Next(hShot,&pe));
}
CloseHandle(hShot);
return 0;

CString path;
GetModuleFileName(NULL,path.GetBufferSetLength(MAX_PATH+1),MAX_PATH);
path.ReleaseBuffer();
int pos = path.ReverseFind('\\');
path = path.Left(pos);

CString name = _T("yourProcess.exe"); //進程名稱

CreateMutex(NULL, TRUE, MutexGUID);
if (GetLastError() == ERROR_ALREADY_EXISTS)
{
//HWND hRet = FindWindow(NULL, _T("BEProjectUpload.exe"));

PROCESSENTRY32 pe;
DWORD processID = 0;
//snap快照
HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
pe.dwSize = sizeof(PROCESSENTRY32);
//减速上一步获得的windows的快照的每个进程，first，next函数
if (!Process32First(hSnapshot, &pe))
{
return 0;
}

CString name1, name2;

do
{
pe.dwSize = sizeof(PROCESSENTRY32);
name1 = pe.szExeFile;
name2 = name;
name1.MakeUpper();
name2.MakeUpper();

//FindWindow()

if (name1 == name2)
{
processID = pe.th32ProcessID;
break;
}
if (Process32Next(hSnapshot, &pe) == FALSE)
{
break;
}
} while (1);

CloseHandle(hSnapshot);
return FALSE;
}