VB Snippet : Processor Info

[James Stanich]

'***********************************************************
'NOTES:
 
'YOU MUST HAVE WMI SDK INSTALLED.  YOU CAN GET IT AT
'http://msdn.microsoft.com/downloads/sdks/wmi/default.asp
'Remember to add it in Project References!
 '***********************************************************************
 
Private asCpuPaths() As String
 
Private m_objCPUSet As SWbemObjectSet
 
Private m_objWMINameSpace As SWbemServices
 
Option Explicit
 
Private Sub cmdDone_Click()
 
Unload Me
 
End Sub
 
Private Sub Form_Load()
 
 
Dim oCpu As SWbemObject 'WMI Object, in this case, local CPUs
Dim sPath As String, sCaption As String
 
Dim lElement As Long
ReDim asCpuPaths(0) As String
 
 
On Error GoTo ErrorHandler
 
'Get Default NameSpace, which will be the one for the local machine
Me.Move (Screen.Width - Me.Width) / 2, (Screen.Height - Me.Height) / 2
Set m_objWMINameSpace = GetObject("winmgmts:")
lstCPU.Clear
 
 
'Get CPU set
 
Set m_objCPUSet = m_objWMINameSpace.InstancesOf("Win32_Processor")
sCaption = m_objCPUSet.Count & " processor"
If m_objCPUSet.Count <> 1 Then sCaption = sCaption & "s"
sCaption = sCaption & " detected on this machine"
lblTitle.Caption = sCaption
'Populate list box with CPU names
                
For Each oCpu In m_objCPUSet
     With oCpu
        sPath = .Path_ & ""
            If sPath <> "" Then
                lstCPU.AddItem .Name
                'save path to array, so on machines with multiple CPUs,
                'each can be identified and their info loaded into text box
                
                lElement = IIf(asCpuPaths(0) = "", 0, UBound(asCpuPaths) + 1)
                ReDim Preserve asCpuPaths(lElement) As String
                asCpuPaths(lElement) = sPath
            End If
     End With
Next
If lstCPU.ListCount <> 0 Then lstCPU.ListIndex = 0
     
 
 
 
 
CleanUp:
Set oCpu = Nothing
 
Exit Sub
 
ErrorHandler:
MsgBox "CPU Information could not be displayed due to the following error: " & Err.Description, , "WMI Demo Failed"
GoTo CleanUp
End Sub
 
Private Sub Form_Unload(Cancel As Integer)
Set m_objCPUSet = Nothing
Set m_objWMINameSpace = Nothing
End Sub
 
Private Sub lstCPU_Click()
Dim oCpu As SWbemObject
'Refer to SDK documentation for more detail about each of these properties
Dim sInfoString As String
On Error Resume Next
Set oCpu = m_objCPUSet(asCpuPaths(lstCPU.ListIndex))
With oCpu
    sInfoString = "Description: " & .Description & vbCrLf
    sInfoString = sInfoString & "Processor ID: " & .ProcessorID & vbCrLf
    sInfoString = sInfoString & "Status: " & .Status & vbCrLf
    sInfoString = sInfoString & "Manufacturer: " & .Manufacturer & vbCrLf
    sInfoString = sInfoString & "Availability: " & AvailabilityToString(.Availability) & vbCrLf
    sInfoString = sInfoString & "Load Percentage: " & .LoadPercentage & vbCrLf
    sInfoString = sInfoString & "Current Clock Speed: " & .CurrentClockSpeed & " MHz" & vbCrLf
    sInfoString = sInfoString & "Maximum Clock Speed: " & .MaxClockSpeed & vbCrLf
    sInfoString = sInfoString & "Level 2 Cache Size: " & .L2CacheSize & vbCrLf
    sInfoString = sInfoString & "Level 2 Cache Speed: " & .L2CacheSpeed & vbCrLf
    sInfoString = sInfoString & "Power Management Supported: " & .PowerManagementSupported
End With
txtCpu.Text = sInfoString
 
End Sub
'Conversions from code to string were developed
'based on information in WMI SDK documentation
Private Function AvailabilityToString(Code As Integer) As String
Dim sAns As String
 
Select Case Code
    Case 1, 2
        sAns = "Unknown"
    Case 3
        sAns = "Running/Full Power"
    Case 4
        sAns = "Warning"
    Case 5
        sAns = "In Test"
    Case 6
        sAns = "Not Applicable"
    Case 7
        sAns = "Power Off"
    Case 8
        sAns = "Off Line"
    Case 9
        sAns = "Off Duty"
    Case 10
        sAns = "Degraded"
    Case 11
        sAns = "Not Installed"
    Case 12
        sAns = "Install Error"
    Case 13
        sAns = "Power Save - Unknown"
    Case 14
        sAns = "Power Save - Low Power Mode"
    Case 15
        sAns = "Power Save - Standby"
    Case 16
        sAns = "Power Cycle"
    Case 17
        sAns = "Power Save - Warning"
    Case Else
        sAns = "Unknown"
End Select
 
AvailabilityToString = sAns
 
End Function