Extracting CPUs temperature and coolers RPM

Is there a way to show CPUs temperature and coolers RPM value in VB? In my bios hardware monitor both values are shown and I want to extract them somehow to VB. Any ideas or suggestions? Please help.
vbr666Asked:
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DiscofishConnect With a Mentor Commented:
Hmmm, sorry I don't think I can help.

I have an ASUS MB, and it comes with some DLLS  with functions for getting temperature, fan speed, etc.

If you get a program called PE Explorer (free trial, there may be a fre one out there) you can take a look at all the functions in a dll (Params and return values).  Then the tricky part will be getting it to work in VB.  

You use a DLL function in the following way

public declare function GooFoo Lib "Foobar.dll" Alias "GooFooA" (ByRef Goo As Long,ByRef Foo As long) As Long

There is a bunch of good info about this on the web, so try doing a google search.

Discofish
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DiscofishCommented:

You might be able to to use the temperatureproble class in Windows Management Instrumentation

 http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wmisdk/wmi/win32_temperatureprobe.asp
http://msdn.microsoft.com/library/en-us/wmisdk/wmi/wmi_start_page.asp

There might also be vendor specific API's for your particular board if the above method doesn't work for you.
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vbr666Author Commented:
How do I use that class? Where to download it? I dont understand what I need to do to read a temp. Can you give an example?
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vbr666Author Commented:
Im sorry but i cant use that code because i dont have vb.net and i cant add a listview to a form. Do you know example for "regular" VB?
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DiscofishCommented:
That code is for VB 6, not .NET from the article:

 
Applies to:   VB5, VB6

Read the info provided in the link.
You probably need to put a listview into your toolbox (which is why you don't see it available)
You don't need the listbox for it to work, though.

Public Sub GetInfo()

   Dim wmiObjSet As SWbemObjectSet
   Dim obj As SWbemObject   'CurrentProbe


   On Local Error Resume Next
   Set wmiObjSet = GetObject("winmgmts:{impersonationLevel=impersonate}"). _
                              InstancesOf("Win32_TemperatureProbe")
   
    Dim strOutput As String
   
   For Each obj In wmiObjSet
   
   
    strOutput = strOutput & CStr(obj.Description) & vbTab
    strOutput = strOutput & CStr(obj.Name) & vbTab
    strOutput = strOutput & CStr(obj.DeviceID) & vbTab
    strOutput = strOutput & CStr(obj.Resolution) & vbTab
    strOutput = strOutput & CStr(obj.Tolerance) & vbTab
    strOutput = strOutput & obj.Accuracy / obj.Resolution / obj.Tolerance & " %"
 
   Next
   
   MsgBox strOutput
   
End Sub


As the article explains, on some systems you may not be able to get certain info.
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vbr666Author Commented:
Ok i found a listview and added it and command1 to the form and I copied that code from the link above and added a reference for"Microsoft WMI Scripting v1.2 library" to vb6 and when I started prog and tried to click on a button nothing happened! All fields in listview were blank. What for is that code in your last reply? I copied code from the link you gave me: http://vbnet.mvps.org/index.html?code/wmi/wmitemperatureprobe.htm
Have you tried using that code from this link? Why doesnt it work?
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DiscofishCommented:
It might be the way your system is configured.  The author of the article explains that.  The code above was so you didn't need a listview.

Discofish
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vbr666Author Commented:
The code wont work on both my computers. The temperature probe is installed in my system im certain and in bios I can normally read temperature but why cant I read it in vb? What could be wrong?
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