Public/Uninstall-VcRedist.ps1

function Uninstall-VcRedist {
    <#
        .EXTERNALHELP VcRedist-help.xml
    #>

    [CmdletBinding(DefaultParameterSetName = "Manual", SupportsShouldProcess = $true, ConfirmImpact = "High", HelpURI = "https://vcredist.com/uninstall-vcredist/")]
    [OutputType([System.Management.Automation.PSObject])]
    [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSReviewUnusedParameter", "")]
    param (
        [Parameter(Mandatory = $false, Position = 0, ParameterSetName = "Manual")]
        [ValidateSet("2005", "2008", "2010", "2012", "2013", "2015", "2017", "2019", "2022")]
        [System.String[]] $Release = @("2005", "2008", "2010", "2012", "2013", "2015", "2017", "2019", "2022"),

        [Parameter(Mandatory = $false, Position = 1, ParameterSetName = "Manual")]
        [ValidateSet("x86", "x64")]
        [System.String[]] $Architecture = @("x86", "x64"),

        [Parameter(
            Mandatory = $true,
            Position = 0,
            ValueFromPipeline,
            ParameterSetName = "Pipeline",
            HelpMessage = "Pass a VcList object from Get-VcList.")]
        [ValidateNotNullOrEmpty()]
        [System.Management.Automation.PSObject] $VcList
    )

    begin {
        # Get script elevation status
        [System.Boolean] $Elevated = ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")
        if ($Elevated -eq $false) {
            $Msg = "Uninstalling the Visual C++ Redistributables requires elevation. The current Windows PowerShell session is not running as Administrator. Start Windows PowerShell by using the Run as Administrator option, and then try running the script again"
            throw [System.Management.Automation.ScriptRequiresException]::New($Msg)
        }
    }

    process {
        switch ($PSCmdlet.ParameterSetName) {
            "Manual" {
                # Get the installed VcRedists and filter
                Write-Verbose -Message "Getting locally installed Visual C++ Redistributables"
                $VcRedistsToRemove = Get-InstalledVcRedist | Where-Object { $Release -contains $_.Release } | Where-Object { $Architecture -contains $_.Architecture }
            }
            "Pipeline" {
                Write-Verbose -Message "Removing installed Visual C++ Redistributables passed via the pipeline"
                $VcRedistsToRemove = $VcList
            }
        }

        # Walk through each VcRedist and uninstall
        foreach ($VcRedist in $VcRedistsToRemove) {

            # We could be passed an object from Get-VcList or Get InstalledVcRedist
            if ([System.String]::IsNullOrEmpty($VcRedist.UninstallString) -eq $false) {
                $UninstallString = $VcRedist.UninstallString
            }
            elseif ([System.String]::IsNullOrEmpty($VcRedist.SilentUninstall) -eq $false) {
                $UninstallString = $VcRedist.SilentUninstall
            }

            if ([System.String]::IsNullOrEmpty($UninstallString)) {
                $Msg = "Cannot find uninstall string. Please check object passed to this function."
                throw [System.Management.Automation.PropertyNotFoundException]::New($Msg)
            }
            else {
                # Build the uninstall command
                switch -Regex ($UninstallString.ToLower()) {
                    "^msiexec.*$" {
                        Write-Verbose -Message "VcRedist uninstall uses Msiexec."
                        $params = @{
                            FilePath     = "$Env:SystemRoot\System32\msiexec.exe"
                            ArgumentList = "/uninstall $($VcRedist.ProductCode) /quiet /norestart"
                            PassThru     = $true
                            Wait         = $true
                            NoNewWindow  = $true
                            Verbose      = $VerbosePreference
                        }
                    }
                    default {
                        $FilePath = [Regex]::Match($UninstallString, '\"(.*)\"').Captures.Groups[1].Value
                        Write-Verbose -Message "VcRedist uninstall uses '$FilePath'."
                        $params = @{
                            FilePath     = $FilePath
                            ArgumentList = "/uninstall /quiet /norestart"
                            PassThru     = $true
                            Wait         = $true
                            NoNewWindow  = $true
                            Verbose      = $VerbosePreference
                        }
                    }
                }

                if ($PSCmdlet.ShouldProcess($VcRedist.Name, "Uninstall")) {
                    try {
                        $Result = Start-Process @params
                        $State = "Uninstalled"
                    }
                    catch [System.Exception] {
                        Write-Warning -Message "Failure in uninstalling $($VcRedist.Name) $($VcRedist.Version) $($VcRedist.Architecture)"
                        $State = "Failed"
                    }
                    finally {
                        $Object = [PSCustomObject] @{
                            Name         = $VcRedist.Name
                            Version      = $VcRedist.Version
                            Release      = $VcRedist.Release
                            Architecture = $VcRedist.Architecture
                            State        = $State
                            ExitCode     = $Result.ExitCode
                        }
                        Write-Output -InputObject $Object
                    }
                }
            }
        }
    }

    end {
    }
}