Question

vb判断进程是否存在

Answer 1

调用方法:
if checkexeisrun("VB6.EXE") then msgbox "存在"

'检查进程是否运行，exeName 参数是要检查的进程 exe 名字，比如 VB6.EXE
Private Function CheckExeIsRun(exeName As String) As Boolean
On Error GoTo Err
Dim WMI
Dim Obj
Dim Objs
CheckExeIsRun = False
Set WMI = GetObject("WinMgmts:")
Set Objs = WMI.InstancesOf("Win32_Process")
For Each Obj In Objs
If (InStr(UCase(exeName), UCase(Obj.Description)) <> 0) Then
CheckExeIsRun = True
If Not Objs Is Nothing Then Set Objs = Nothing
If Not WMI Is Nothing Then Set WMI = Nothing
Exit Function
End If
Next
If Not Objs Is Nothing Then Set Objs = Nothing
If Not WMI Is Nothing Then Set WMI = Nothing
Exit Function
Err:
If Not Objs Is Nothing Then Set Objs = Nothing
If Not WMI Is Nothing Then Set WMI = Nothing
End Function

Answer 2

Private Function CheckExeIsRun(exeName As String) As Boolean
On Error GoTo Err
Dim WMI
Dim Obj
Dim Objs
CheckExeIsRun = False
Set WMI = GetObject("WinMgmts:")
Set Objs = WMI.InstancesOf("Win32_Process")
For Each Obj In Objs
If (InStr(UCase(exeName), UCase(Obj.Description)) <> 0) Then
CheckExeIsRun = True
If Not Objs Is Nothing Then Set Objs = Nothing
If Not WMI Is Nothing Then Set WMI = Nothing
Exit Function
End If
Next
If Not Objs Is Nothing Then Set Objs = Nothing
If Not WMI Is Nothing Then Set WMI = Nothing
Exit Function
Err:
If Not Objs Is Nothing Then Set Objs = Nothing
If Not WMI Is Nothing Then Set WMI = Nothing
End Function

'测试代码
Private Sub Command1_Click()
If CheckExeIsRun("CenterSrv.exe") Then
MsgBox "运行了啊"
Else
MsgBox "没有运行"
End If
End Sub