VB如何在刷新ListView的时候不改变滚动条的位置

Public Declare Function CreateToolhelp32Snapshot Lib "kernel32" (ByVal dwFlags As Long, ByVal th32ProcessID As Long) As Long

Public Declare Function Process32First Lib "kernel32" (ByVal hSnapShot As Long, lppe As PROCESSENTRY32) As Long

Public Declare Function Process32Next Lib "kernel32" (ByVal hSnapShot As Long, lppe As PROCESSENTRY32) As Long

Public 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 * 1024

End Type

Public Sub GetProcessList(ListView As ListView) ' 取得进程

'On Error Resume Next

Dim Pid() As Process

Dim h As Long, proc As PROCESSENTRY32, snap As Long, Text As String, ListViewItem As ListItem, strItem As String

Dim theloop As Long, i As Long: i = 1

ListView.ListItems.Clear

snap = CreateToolhelp32Snapshot(TH32CS_SNAPall, 0)  '获得进程快照的句柄

proc.dwSize = Len(proc)

theloop = Process32First(snap, proc) '获取第一个进程，并得到其返回值

ReDim Pid(proc.dwSize)

Do While theloop <> 0 '当返回值非零时继续获取下一个进程

    ListView.ListItems.Add , , proc.szExeFile
        
    If proc.szExeFile = "csrss.exe" Or _
    proc.szExeFile = "svchost.exe" Or _
    proc.szExeFile = "alg.exe" Or _
    proc.szExeFile = "winlogin.exe" Or _
    proc.szExeFile = "smss.exe" And ( _
    Left(PidToProcessPath(proc.th32ProcessID), 19) <> "C:\Windows\System32" Or _
    Left(PidToProcessPath(proc.th32ProcessID), 17) <> "C:\Windows\System") Then
        
        ListView.ListItems(i).ForeColor = vbRed
        
    End If
   
    Pid(i - 1).Pid = proc.th32ProcessID
   
    Pid(i - 1).ParentPid = proc.th32ParentProcessID
   
    Pid(i - 1).ProcessPath = PidToProcessPath(proc.th32ProcessID)
   
    theloop = Process32Next(snap, proc)
   
    i = i + 1 '你注释掉这句试一下
   
Loop

'MsgBox "ProcessList项数:" & ListView.ListItems.Count'调试程序用,防止出现35560错误

'MsgBox "数组Pid长度:" & UBound(Pid) + 1                        '调试程序用,防止出现35560错误

For h = 0 To i - 2

    ListView.ListItems(h + 1).SubItems(1) = Pid(h).Pid
   
    'If Pid(h).Pid <> Pid(h).ParentPid Then
   
        'ListView.ListItems(h + 1).SubItems(2) = Pid(h).ParentPid
        
    'End If
   
    ListView.ListItems(h + 1).SubItems(2) = AccessPermissions(Pid(h).Pid)
   
    ListView.ListItems(h + 1).SubItems(3) = Pid(h).ProcessPath
   
Next

End Sub

Private Sub Tmr_GetProcessList_Timer()

Dim SelectIndex As Long, Pos As Long

If ProcessList.SelectedItem.Index <> -1 Then

    SelectIndex = ProcessList.SelectedItem.Index
   
End If

GetProcessList ProcessList

ProcessList.ListItems(1).Selected = False

ProcessList.ListItems(SelectIndex).Selected = True

End Sub