<PackageReference Include="System.Drawing.Common" Version="10.0.0-preview.7.25380.108" />

System.Drawing.ContentAlignment

public enum ContentAlignment
Specifies alignment of content on the drawing surface.
namespace System.Drawing { public enum ContentAlignment { TopLeft = 1, TopCenter = 2, TopRight = 4, MiddleLeft = 16, MiddleCenter = 32, MiddleRight = 64, BottomLeft = 256, BottomCenter = 512, BottomRight = 1024 } }