https://learn.microsoft.com/en-us/uwp/api/windows.ui.xaml.media.imaging.bitmapimage.urisourceproperty?view=winrt-28000
BitmapImage.UriSourceProperty Property (Windows.UI.Xaml.Media.Imaging) - Windows apps | Microsoft...
Identifies the UriSource dependency property.
bitmapimagepropertywindowsuixaml