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List All Active Processes (Class)

List All Active Processes (Class)

API Declarations



' Name: List All Active Processes
' Author: Chong Long Choo
' Email: [email protected]
' Date: 09 September 1999

'<--------------------------Disclaimer------------------------------->
'
'This sample is free. You can use the sample in any form. Use this
'sample at your own risk! I have no warranty for this sample.
'
'<--------------------------Disclaimer------------------------------->

'---------------------------------------------------------------------------------
'How to use
'---------------------------------------------------------------------------------
' Dim i As Integer
' Dim objItem As ListItem
' Dim NumOfProcess As Long
' Dim objActiveProcess As SQLSysInfo.clsActiveProcess
' Set objActiveProcess = New SQLSysInfo.clsActiveProcess
' NumOfProcess = objActiveProcess.GetActiveProcess
' For i = 1 To NumOfProcess
' Set objItem = ListView2.ListItems.Add(, , objActiveProcess.szExeFile(i))
' With objItem
' .SubItems(1) = objActiveProcess.th32ProcessID(i)
' .SubItems(2) = objActiveProcess.th32DefaultHeapID(i)
' .SubItems(3) = objActiveProcess.thModuleID(i)
' .SubItems(4) = objActiveProcess.cntThreads(i)
' .SubItems(5) = objActiveProcess.th32ParentProcessID(i)
' End With
' Next
' Set objActiveProcess = Nothing

Private Const TH32CS_SNAPPROCESS As Long = 2&
Private Const MAX_PATH As Integer = 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 CreateToolhelpSnapshot Lib "kernel32" Alias "CreateToolhelp32Snapshot" (ByVal lFlags As Long, ByVal lProcessID As Long) As Long
Private Declare Function ProcessFirst Lib "kernel32" Alias "Process32First" (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long
Private Declare Function ProcessNext Lib "kernel32" Alias "Process32Next" (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long
Private Declare Sub CloseHandle Lib "kernel32" (ByVal hPass As Long)

Dim ListOfActiveProcess() As PROCESSENTRY32




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(1(1 Vote))

    szExeFile = ListOfActiveProcess(Index).szExeFile
End Function

Public Function dwFlags(ByVal Index As Long) As Long
    dwFlags = ListOfActiveProcess(Index).dwFlags
End Function

Public Function pcPriClassBase(ByVal Index As Long) As Long
    pcPriClassBase = ListOfActiveProcess(Index).pcPriClassBase
End Function

Public Function th32ParentProcessID(ByVal Index As Long) As Long
    th32ParentProcessID = ListOfActiveProcess(Index).th32ParentProcessID
End Function

Public Function cntThreads(ByVal Index As Long) As Long
    cntThreads = ListOfActiveProcess(Index).cntThreads
End Function

Public Function thModuleID(ByVal Index As Long) As Long
    thModuleID = ListOfActiveProcess(Index).th32ModuleID
End Function

Public Function th32DefaultHeapID(ByVal Index As Long) As Long
    th32DefaultHeapID = ListOfActiveProcess(Index).th32DefaultHeapID
End Function

Public Function th32ProcessID(ByVal Index As Long) As Long
    th32ProcessID = ListOfActiveProcess(Index).th32ProcessID
End Function

Public Function cntUsage(ByVal Index As Long) As Long
    cntUsage = ListOfActiveProcess(Index).cntUsage
End Function

Public Function dwSize(ByVal Index As Long) As Long
    dwSize = ListOfActiveProcess(Index).dwSize
End Function

Public Function GetActiveProcess() As Long
    Dim hToolhelpSnapshot As Long
    Dim tProcess As PROCESSENTRY32
    Dim r As Long, i As Integer
    hToolhelpSnapshot = CreateToolhelpSnapshot(TH32CS_SNAPPROCESS, 0&)
    If hToolhelpSnapshot = 0 Then
        GetActiveProcess = 0
        Exit Function
    End If
    With tProcess
        .dwSize = Len(tProcess)
        r = ProcessFirst(hToolhelpSnapshot, tProcess)
        ReDim Preserve ListOfActiveProcess(20)
        Do While r
            i = i + 1
            If i Mod 20 = 0 Then ReDim Preserve ListOfActiveProcess(i + 20)
            ListOfActiveProcess(i) = tProcess
            r = ProcessNext(hToolhelpSnapshot, tProcess)
        Loop
    End With
    GetActiveProcess = i
    Call CloseHandle(hToolhelpSnapshot)
End Function