Buenas, te paso un ejemplo sacado de http://www.recursosvisualbasic.com.ar
'
'Constantes
Const TH32CS_SNAPHEAPLIST = &H1
Const TH32CS_SNAPPROCESS = &H2
Const TH32CS_SNAPTHREAD = &H4
Const TH32CS_SNAPMODULE = &H8
Const TH32CS_SNAPALL = (TH32CS_SNAPHEAPLIST Or TH32CS_SNAPPROCESS Or TH32CS_SNAPTHREAD Or TH32CS_SNAPMODULE)
Const TH32CS_INHERIT = &H80000000
Const MAX_PATH As Integer = 260
'Estructura
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 ' Flags
szExeFile As String * MAX_PATH ' nombre del ejecutable
End Type
'Funciones Api para listar los procesos
Private Declare Function CreateToolhelp32Snapshot Lib "Kernel32" (ByVal lFlags As Long, ByVal lProcessID As Long) As Long
Private Declare Function Process32First Lib "Kernel32" (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long
Private Declare Function Process32Next Lib "Kernel32" (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long
Private Declare Sub CloseHandle Lib "Kernel32" (ByVal hPass As Long)
Private Sub Form_Load()
'Elemento para el ListView
Dim elemento As ListItem
Dim hSnapShot As Long, uProcess As PROCESSENTRY32
hSnapShot = CreateToolhelp32Snapshot(TH32CS_SNAPALL, 0&)
uProcess.dwSize = Len(uProcess)
R = Process32First(hSnapShot, uProcess)
Me.AutoRedraw = True
lv1.ColumnHeaders.Add , , "szExeFile", lv1.Width / 8
lv1.ColumnHeaders.Add , , "cntUsage", lv1.Width / 8
lv1.ColumnHeaders.Add , , "th32ProcessID", lv1.Width / 8
lv1.ColumnHeaders.Add , , "th32DefaultHeapID", lv1.Width / 8
lv1.ColumnHeaders.Add , , "cntThreads", lv1.Width / 8
lv1.ColumnHeaders.Add , , "th32ModuleID", lv1.Width / 8
lv1.ColumnHeaders.Add , , "th32ParentProcessID", lv1.Width / 8
lv1.ColumnHeaders.Add , , "pcPriClassBase", lv1.Width / 8
lv1.View = lvwReport
Do While R
R = Process32Next(hSnapShot, uProcess)
'rellenar los datos de la estructura en el listView
Set elemento = lv1.ListItems.Add(, , uProcess.szExeFile)
elemento.SubItems(1) = uProcess.cntUsage
elemento.SubItems(2) = uProcess.th32ProcessID
elemento.SubItems(3) = uProcess.th32DefaultHeapID
elemento.SubItems(4) = uProcess.cntThreads
elemento.SubItems(5) = uProcess.th32ModuleID
elemento.SubItems(6) = uProcess.th32ParentProcessID
elemento.SubItems(7) = uProcess.pcPriClassBase
Loop
Set elemento = Nothing
CloseHandle hSnapShot
End Sub
'
saludos
