https://learn.microsoft.com/zh-tw/windows/windows-app-sdk/api/winrt/microsoft.ui.xaml.media.imagebrush?view=windows-app-sdk-1.8
ImageBrush Class (Microsoft.UI.Xaml.Media) - Windows App SDK | Microsoft Learn
Paints an area with an image. The image source is typically obtained from file formats such as Joint Photographic Experts Group (JPEG).
windows appclassmicrosoftuixaml