<PackageReference Include="System.Drawing.Common" Version="10.0.0-preview.5.25277.114" />

Windows.Win32.Graphics.GdiPlus.CurveAdjustments

namespace Windows.Win32.Graphics.GdiPlus { internal enum CurveAdjustments { AdjustExposure, AdjustDensity, AdjustContrast, AdjustHighlight, AdjustShadow, AdjustMidtone, AdjustWhiteSaturation, AdjustBlackSaturation } }