private/testWPFAvailable.ps1
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function testWPFAvailable { <# .SYNOPSIS Checks if Windows Presentation Foundation (WPF) is available on the system. .DESCRIPTION Attempts to load required WPF assemblies and validates key WPF types. Returns $true if WPF is available, $false otherwise. #> $wpfAssemblies = @( 'PresentationFramework', 'PresentationCore', 'WindowsBase', 'System.Xaml' ) try { foreach ($assembly in $wpfAssemblies) { Add-Type -AssemblyName $assembly -ErrorAction Stop } # Validate key WPF types $null = [System.Windows.Window] $null = [System.Windows.Markup.XamlReader] $null = [System.Windows.Threading.DispatcherTimer] $true } catch { Write-Verbose "WPF is not available: $_" $false } } |