Public/Get-WindowsInstallerInstallerRelatedProducts.ps1
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.SYNOPSIS This function retrieves the product codes of installed products related to the given upgrade codes. .DESCRIPTION The Get-WindowsInstallerInstallerRelatedProduct function uses the Windows Installer COM object to get the product codes of all products that derive from a product associated with one of the given upgrade codes. .PARAMETER UpgradeCodes An array of upgrade codes to look for. .EXAMPLE Get-WindowsInstallerInstallerRelatedProduct -UpgradeCodes "GUID1","GUID2","GUID3" #> function Get-WindowsInstallerInstallerRelatedProduct { [CmdletBinding()] [OutputType([String[]])] param( [Parameter(Mandatory = $true, ValueFromPipeline = $true)] [ValidatePattern('^(\{[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}\})$')] [string] $UpgradeCode, [Parameter(Mandatory = $false, HelpMessage = 'WindowsInstaller.Installer ComObject')] [System.__ComObject] $Installer = (New-Object -ComObject WindowsInstaller.Installer) ) process { $Installer.GetType().InvokeMember('RelatedProducts', [System.Reflection.BindingFlags]::GetProperty, $null, $Installer, $UpgradeCode) } end { if (-not $PSBoundParameters.ContainsKey('Installer')) { [System.Runtime.Interopservices.Marshal]::ReleaseComObject($Installer) | Out-Null } } } Export-ModuleMember -Function Get-WindowsInstallerInstallerRelatedProduct |