得到任务管理器的正在执行的程序列表 系统的临时路径及临时文件绝对路径

#include "windows.h"
#include "tlhelp32.h"
#include "stdio.h"
int main(int argc, char* argv[])
{
PROCESSENTRY32 pe32;
//在使用这个结构前，先设置它的大小
pe32.dwSize = sizeof(pe32);
//给系统内所有的进程拍个快照
HANDLE hProcessSnap = ::CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
if (hProcessSnap == INVALID_HANDLE_VALUE)
{
printf("CreateToolhelp32Snapshot 调用失败.\n");
return -1;
}
//遍历进程快照，轮流显示每个进程的信息
BOOL bMore = ::Process32First(hProcessSnap,&pe32);
while (bMore)
{
printf("进程名称：%s\n",pe32.szExeFile);
printf("进程ID：%u\n\n",pe32.th32ProcessID);
bMore = ::Process32Next(hProcessSnap,&pe32);
}
//不要忘记清除掉snapshot对象
::CloseHandle(hProcessSnap);
return 0;
}

#include <windows.h>
#include <stdio.h>
void main()
{
DWORD dwRetVal = 0;
UINT uRetVal   = 0;
TCHAR lpTempPathBuffer[MAX_PATH];
TCHAR szTempFileName[MAX_PATH];

dwRetVal = GetTempPath(MAX_PATH,          // length of the buffer
lpTempPathBuffer); // buffer for path
if (dwRetVal > MAX_PATH || (dwRetVal == 0))
{
return (2);
}

//  Generates a temporary file name.
uRetVal = GetTempFileName(lpTempPathBuffer, // directory for tmp files
TEXT("DEMO"),     // temp file name prefix
0,                // create unique name
szTempFileName);  // buffer for name
if (uRetVal == 0)
{
return (3);
}

printf("%s\n%s\n",lpTempPathBuffer,szTempFileName);
return 0;
}