C++获取指定进程数量 用于判断指定exe程序是否打开

/******************************************************************************************

Function:        GetProcessCount

Description:    获取指定进程数量

Calls: lstrcpy,CreateToolhelp32Snapshot,Process32First,CharLowerBuff,lstrcmp,Process32Next

CloseHandle

Input:          szExeName:进程名称,带.exe后缀

Return:          进程数量

*******************************************************************************************/

int dxir::Base::GetProcessCount(const TCHAR* szExeName)

{

int count = 0;

try

{

TCHAR sztarget[MAX_PATH];

lstrcpy(sztarget, szExeName);

CharLowerBuff(sztarget, MAX_PATH);

PROCESSENTRY32 my;

HANDLE l = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);

if (((int)l) != -1)

{

my.dwSize = sizeof(my);

if (Process32First(l, &my))

{

do

{

CharLowerBuff(my.szExeFile, MAX_PATH);

if (lstrcmp(sztarget, my.szExeFile) == 0)

{

count++;

}

} while (Process32Next(l, &my));

}

CloseHandle(l);

}

}

catch (std::exception e)

{

std::cout << e.what() << std::endl;

}

return count;

}