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

Windows.Win32.Graphics.Gdi.DEVMODE_DUPLEX

namespace Windows.Win32.Graphics.Gdi { internal enum DEVMODE_DUPLEX : short { DMDUP_SIMPLEX = 1, DMDUP_VERTICAL, DMDUP_HORIZONTAL } }