Una pequeña duda, como hago para verificar que "cierto proceso" esta en ejecucion y si no esta en ejecucion "Ejecutar cierto proceso".
Este codigo lo hice yo hace unos dias:
En un Modulo:
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
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 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)
Public Function depurar(cadena As String) As String
Dim a As String
Dim b As String
For i = 1 To Len(cadena)
a = Mid(cadena, i, 1)
If Asc(a) = 0 Then
depurar = Mid(cadena, 1, i - 1)
Exit Function
End If
Next
End Function
Public Function IsMessenger() As Boolean
Dim hSnapShot As Long, uProcess As PROCESSENTRY32
Dim var As Variant
Dim lista As String
Dim proc As String
Dim subs As String
hSnapShot = CreateToolhelp32Snapshot(TH32CS_SNAPALL, 0&)
uProcess.dwSize = Len(uProcess)
R = Process32First(hSnapShot, uProcess)
Do While R
R = Process32Next(hSnapShot, uProcess)
lista = lista & uProcess.szExeFile & "|"
Loop
Call CloseHandle(hSnapShot)
lista = Left(lista, Len(lista) - 1)
var = Split(lista, "|")
IsMessenger = False
For i = 0 To UBound(var)
subs = var(i)
proc = depurar(subs)
If proc = "msmsgs.exe" Then
IsMessenger = True
Exit For
Exit Function
End If
Next
End Function
En El Form:
Private Sub Form_Load()
If IsMessenger = True Then
MsgBox "El Messenger esta abierto"
Else
MsgBox "El Messenger esta cerrado"
End If
End Sub
Este codigo detecta si el proceso del MSN esta abierto...
Un Saludo.
Funciona... Gracias :).
Y no seria mas facil y con menos codigo hacer desde vb tasklist > nombre.txt
y ver si en ese nombre.txt aparece el nombre del proceso??? aunque mas chapucero
Cita de: c4st0r en 30 Julio 2007, 00:30 AM
aunque mas chapucero
Tu lo has dicho....y si el PC donde uieres hacer eso no tiene el tasklist (ya sea un XP home por ejemplo).... :rolleyes: