<PackageReference Include="System.Drawing.Common" Version="10.0.4" />

Windows.Win32.Graphics.GdiPlus.RectF

struct RectF
Creates a D2D1_RECT_F structure that contains the specified dimensions.
namespace Windows.Win32.Graphics.GdiPlus { internal struct RectF { public static implicit operator RectangleF(RectF rect); public static implicit operator RectF(RectangleF rectangle); } }