<PackageReference Include="System.Drawing.Common" Version="9.0.5" />

ImageFlags

public enum ImageFlags
Specifies the attributes of the pixel data contained in an Image object. The Flags property returns a member of this enumeration.
namespace System.Drawing.Imaging { [Flags] public enum ImageFlags { None = 0, Scalable = 1, HasAlpha = 2, HasTranslucent = 4, PartiallyScalable = 8, ColorSpaceRgb = 16, ColorSpaceCmyk = 32, ColorSpaceGray = 64, ColorSpaceYcbcr = 128, ColorSpaceYcck = 256, HasRealDpi = 4096, HasRealPixelSize = 8192, ReadOnly = 65536, Caching = 131072 } }