https://learn.microsoft.com/zh-tw/windows/windows-app-sdk/api/winrt/microsoft.ui.xaml.media.gradientbrush.colorinterpolationmode?view=windows-app-sdk-1.8
GradientBrush.ColorInterpolationMode Property (Microsoft.UI.Xaml.Media) - Windows App SDK |...
Gets or sets a ColorInterpolationMode enumeration value that specifies how the gradient's colors are interpolated.
windows apppropertymicrosoftuixaml