<PackageReference Include="System.Drawing.Common" Version="10.0.0-preview.1.25080.3" />

ICONDIR

struct ICONDIR
using System.Runtime.InteropServices; namespace Windows.Win32.UI.WindowsAndMessaging { [StructLayout(LayoutKind.Sequential, Pack = 2)] internal struct ICONDIR { public ushort idReserved; public ushort idType; public ushort idCount; } }