Need help with VB.NET code with dotnet 2.0 framework only

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.NET2.0

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Hello friends,

I need VB.net solutions (in dotnet 2.0) for the following features:
a) Detect OS architecture - x86 or x64
b) Read registry key from 64 bit reg key and Wow6432 nodes as well base don system architecture.

Well i get the code solution for the above features but all were in C# and above dotnet 3.5 or newer frameworks.

My limitation is dotnet 2.0. Please if somebody has got any available solutions, please do help with some code snippet.

What I have tried:

For sys architecture i tried this, but getting error with

VB

Public Function Is64BitOS() As Boolean
    Using p As Process = Process.GetCurrentProcess()
        Dim retVal As Boolean
        Return (IntPtr.Size = 8 OrElse (IsWow64Process IsNot Nothing AndAlso IntPtr.Size = 4 AndAlso IsWow64Process(p.Handle, retVal) AndAlso retVal))
    End Using
End Function

And for Read registry key, based on sys architecture i am planning to hardcode the wow6432 node path accordingly. personally i dont like this approach, but if somebody has got a better solution then do let me know.

Posted 23-Jan-19 2:13am

Dinesh Kumar Dora

Updated 24-Jan-19 2:29am

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CHill60 23-Jan-19 8:17am

So what was the error you got?

2 solutions

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Maciej Los · Answer 1 · 2019-01-23T02:22:00

Solution 1

If you would like to get OS architecture, check this: How to Detect 64bit OS/Process on .NET 2.0 to 3.5[^]

See also: c# - What is the most reliable way to detect windows OS Architecture (x86,x64) on .NET 2.0 - Stack Overflow[^]

Posted 23-Jan-19 2:22am

Maciej Los

Updated 23-Jan-19 2:24am

v2

Richard Deeming · Answer 2 · 2019-01-24T02:29:00

Reading 64/32-bit registry keys in .NET 2.0 will require some P/Invoke calls:
How to read the 64 bit registry from a 32 bit application or vice versa | Rhyous[^]

The code in that post is in C#, but it should be possible to convert it to VB.NET; otherwise, you could always create a C# assembly with that code, and call it from your VB.NET application.

NB: Mainstream support for .NET 2.0 SP2 ended in 2011. Extended support ended in 2016. You really need to look at updating to a newer version if at all possible. :)