PsUi

1.1.0

private/theme/Get-SystemThemePreference.ps1

                                function Get-SystemThemePreference {

    <#

    .SYNOPSIS

        Detects the system's light/dark theme preference from the registry.

    #>

    [CmdletBinding()]

    param()

    try {

        $value = Get-ItemPropertyValue -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize' -Name 'AppsUseLightTheme' -ErrorAction Stop

        if ($value -eq 0) { return 'Dark' }

        return 'Light'

    }

    catch {  return 'Light' }

}