<PackageReference Include="System.Drawing.Common" Version="8.0.13" />

StringUnit

public enum StringUnit
Specifies the units of measure for a text string.
namespace System.Drawing { public enum StringUnit { World = 0, Display = 1, Pixel = 2, Point = 3, Inch = 4, Document = 5, Millimeter = 6, Em = 32 } }