How to get free memory on system with vb .net

Question

i'm having some problem with a multithread software wrote on vb .net, i need to get not only the available free memory (got with PerformanceCounter) but also cache and, better, the free memory on the system. How may i do that? Thanks a lot :-)

Can you review your question please? I don't know what you asking. Do you mean you want your system specifications? or you want the amount of memory being used by your software? Can you show some code too? — ScarletMerlin
– ScarletMerlin, Commented Oct 12, 2015 at 13:47
Sorry, i mean System free, available and cache memory (on windows) via vb .net code Thanks a lot — Alessandro
– Alessandro, Commented Oct 12, 2015 at 14:02

SeongTae Jeong · Accepted Answer · 2019-06-18 13:40:26Z

3

You can get Free memory from Performance Counter "\Memory\Free & Zero Page List Bytes".

Besides, I uploaded a sample project on https://github.com/stjeong/DotNetSamples/tree/master/WinConsole/MemoryPartOfTaskManagerAndResourceMonitor

With this in place, you can get all of the memory info as follows,

answered Jun 18, 2019 at 13:40

SeongTae Jeong

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Nikos Georg · Accepted Answer · 2021-02-08 13:56:26Z

0

Try this...

 Public Sub getAvailableRAM()
        Dim CI As New ComputerInfo()
        Dim avl, used As String
        Dim mem As ULong = ULong.Parse(CI.AvailablePhysicalMemory.ToString())
        Dim mem1 As ULong = ULong.Parse(CI.TotalPhysicalMemory.ToString()) - ULong.Parse(CI.AvailablePhysicalMemory.ToString())
        avl = (mem / (1024 * 1024) & " MB").ToString() 'changed + to &
        used = (mem1 / (1024 * 1024) & " MB").ToString() 'changed + to &
    End Sub

for using ComputerInfo class you have to import Imports Microsoft.VisualBasic.Devices

I hope you understood my snippet and FYI:- The available ram space is dynamically changing one.

If you face any difficulties on this, Feel free to ask...

edited Feb 8, 2021 at 13:56

Nikos Georg

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answered Oct 12, 2015 at 14:40

Sankar

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2 Comments

Alessandro Over a year ago

Thanks a lot, but i need the free memory not the available, i always have problem when free almost reach 0, in that case available memory have still many space to use...

Sankar Over a year ago

@Alessandro can you please explain what is the difference between free and available space?

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