怎么扫描获得正在运行的进程信息呢？（请高手帮吗）

option explicit
private const max_path = 260

private type processentry32
    dwsize as long
    cntusage as long
    th32processid as long
    th32defaultheapid as long
    th32moduleid as long
    cntthreads as long
    th32parentprocessid as long
    pcpriclassbase as long
    dwflags as long
    szexefile as string * max_path
end type

private declare function closehandle lib "kernel32" （byval hobject as long) as long
private declare function createtoolhelp32snapshot lib "kernel32" （byval dwflags as long, byval th32processid as long) as long
private declare function process32first lib "kernel32" （byval hsnapshot as long, lppe as any) as long
private declare function process32next lib "kernel32" （byval hsnapshot as long, lppe as any) as long

private const th32cs_snapheaplist = &h1
private const th32cs_snapprocess = &h2
private const th32cs_snapthread = &h4
private const th32cs_snapmodule = &h8
private const th32cs_snapall = （th32cs_snapheaplist + th32cs_snapprocess + th32cs_snapthread + th32cs_snapmodule)
private const th32cs_inherit = &h80000000

private sub form_load（)
    dim hsnapshot as long, lret as long, p as processentry32
    p.dwsize = len（p)
    hsnapshot = createtoolhelp32snapshot（th32cs_snapall, byval 0)
    if hsnapshot then
        lret = process32first（hsnapshot, p)
        do while lret
            list1.additem left$（p.szexefile, instr（p.szexefile, chr$（0)) - 1)
            lret = process32next（hsnapshot, p)
        loop
        lret = closehandle（hsnapshot)
    end if
end sub