Public/Get-WindowsInstallerInstallerProduct.ps1
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.SYNOPSIS This function retrieves all products installed by the Windows Installer. .PARAMETER Installer An optional WindowsInstaller.Installer COM object. If not provided, the function creates a new one. .EXAMPLE PS C:\> Get-WindowsInstallerInstallerProduct .EXAMPLE PS C:\> $installer = New-Object -ComObject WindowsInstaller.Installer PS C:\> Get-WindowsInstallerInstallerProduct -Installer $installer #> function Get-WindowsInstallerInstallerProduct { [CmdletBinding()] [OutputType([String[]])] param( [Parameter(Mandatory = $false, HelpMessage = 'WindowsInstaller.Installer ComObject')] [System.__ComObject] $Installer = (New-Object -ComObject WindowsInstaller.Installer) ) process { $Installer.GetType().InvokeMember('Products', [System.Reflection.BindingFlags]::GetProperty, $null, $Installer, $null) } end { if (-not $PSBoundParameters.ContainsKey('Installer')) { [System.Runtime.Interopservices.Marshal]::ReleaseComObject($Installer) | Out-Null } } } Export-ModuleMember -Function Get-WindowsInstallerInstallerProduct |