<PackageReference Include="System.Drawing.Common" Version="8.0.0" />

RegionData

public sealed class RegionData
Encapsulates the data that makes up a Region object. This class cannot be inherited.
using System.Runtime.CompilerServices; namespace System.Drawing.Drawing2D { [System.Runtime.CompilerServices.NullableContext(1)] [System.Runtime.CompilerServices.Nullable(0)] public sealed class RegionData { public byte[] Data { get { throw new PlatformNotSupportedException(System.SR.SystemDrawingCommon_PlatformNotSupported); } set { throw new PlatformNotSupportedException(System.SR.SystemDrawingCommon_PlatformNotSupported); } } internal RegionData() { throw new PlatformNotSupportedException(System.SR.SystemDrawingCommon_PlatformNotSupported); } } }