Two functions to convert software versions from System.Version to hex string and back

CppHexVersion.psm1

$Script:styles  =   [System.Globalization.NumberStyles]::AllowHexSpecifier
$Script:formats =   [cultureinfo]::InvariantCulture

function ConvertTo-CppHexVersion {
    [CmdletBinding()]
    [OutputType([string])]
    param   (
        [Parameter(Mandatory,ValueFromPipeline,ValueFromPipelineByPropertyName)]
        [Alias('Version')]
        [version]
        $InputObject
    )
    begin   {
        [string]$formatHexStr   =   '{0:x2}'
        [string]$formatOutput   =   '0x{0}'
        [string[]]$versionParts =   'Major','Minor','Build','Revision'
    }
    process {
        [string[]]$versionSubstr    =   $versionParts.ForEach({
            [int]$versionPart   =   $InputObject.$_
            if  ($versionPart   -lt 0)  {   $versionPart    =   0   }
            [string]::Format($formatHexStr,$versionPart)
        })
        [string]$versionConcat  =   [string]::Concat($versionSubstr)
        [string]$outputObject   =   [string]::Format($formatOutput,$versionConcat)
        return  $outputObject
    }
}

function ConvertFrom-CppHexVersion {
    [CmdletBinding()]
    [OutputType([version])]
    param   (
        [Parameter(Mandatory,ValueFromPipeline,ValueFromPipelineByPropertyName)]
        [Alias('Version')]
        [ValidateScript({
            [ref]$refInt32  =   0
            [bool]$isInt32  =   [int]::TryParse('01020304',$Script:styles,$Script:formats,$refInt32)
            return  $isInt32
        })]
        [string]
        $InputObject
    )
    begin   {
        $PartSize   =   2
    }
    process {
        #   Remove hex specifier if present
        [string]$stringToProcess    =   $InputObject    -replace    '^0x'
        if  ([string]::IsNullOrEmpty($stringToProcess)) {   return  }
        #   Split by parts
        [char[]]$charArray  =   $stringToProcess.ToCharArray()
        [int[]]$versionParts    =   for ($index = 0; $index -lt $charArray.Count; $index += $PartSize) {
            [int]$arrayTail =   $charArray.Count - $index
            [int]$buffSize  =   [System.Math]::Min($arrayTail,$PartSize)
            [char[]]$buffer =   [char[]]::new($buffSize)
            [array]::Copy($charArray,$index,$buffer,0,$buffSize)
            [int]::Parse([string]::new($buffer),$Script:styles)
        }
        if  ($versionParts.Count    -gt 6)  {   return  }
        [string]$versionJoin    =   [string]::Join('.',$versionParts)
        [version]$outputObject  =   [version]::new($versionJoin)
        return  $outputObject
    }
}

<# 
'0x01040000','0x01060000','0x000b0500','0x01030000','0x00090000' | ConvertFrom-CppHexVersion

'0.9.1' |   ConvertTo-CppHexVersion
 #>