VB 2010 RAM Monitor Problem

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Hi people, just signed up to the forum :D. need a little help with a section of my code for a project I am doing. my RAM monitor doesn't seem to work properly and sometimes doubles the value or displays a incorrect value when put against task manager. the code I am using is below:

VB

Private Sub Timer2_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer2.Tick
    Dim SystemRAM As Integer = CDec(PerformanceCounter3.NextValue.ToString())        
    Dim SystemRAM2 As Integer

    SystemRAM2 = 80 - SystemRAM                                                      
    Label34.Text = SystemRAM2.ToString() & " %"                                        
    On Error Resume Next                                                             
    ProgressBar3.Value = SystemRAM2.ToString
End Sub

hope someone can help ???

cheers
ElmoK11

Posted 24-Jan-11 6:15am

ElmoK11

Updated 24-Jan-11 6:29am

#realJSOP

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Henry Minute · Answer 1 · 2011-01-24T06:56:00

Without seeing how PerformanceCounter3 is created, it is difficult to give much help.

You might also, for your own benefit in the future, consider using more descriptive names for your variables. In 6 months time you probably won't remember what 'PerformanceCounter3' does, whereas you probably would remember what 'RAMPerformanceCounter' is for.

[Edit]
After your answer/comment:

It is not obvious to me why you are calculating 80 - SystemRAM (That doesn't mean it is wrong, just that I cannot understand where the 80 comes from :) ) but it looks like you are trying to get Available Memory.

If so have you tried something like:

category name: memory
counter name: Available MBytes
generate member:true
instance lifetime: Global
modifiers: friend

to see if that fluctuates as well

[/Edit]