private/UI/Set-Theme.ps1
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function Set-Theme { [CmdletBinding(SupportsShouldProcess = $true)] param ( [string]$themePath, [Parameter(Mandatory)] [System.Windows.Window]$Window ) if ($PSCmdlet.ShouldProcess("Window", "Apply theme from $themePath")) { $reader = [System.Xml.XmlReader]::Create($themePath) $theme = [Windows.Markup.XamlReader]::Load($reader) # Apply resources directly to the Window $Window.Resources.MergedDictionaries.Clear() $Window.Resources.MergedDictionaries.Add($theme) # Set window background/foreground if defined if ($Window.Resources["WindowBackground"]) { $Window.Background = $Window.Resources["WindowBackground"] } if ($Window.Resources["ControlForeground"]) { $Window.Foreground = $Window.Resources["ControlForeground"] } } } |