<PackageReference Include="System.Drawing.Common" Version="11.0.0-preview.6.26359.118" />

System.Drawing.BitmapSuffixInSatelliteAssemblyAttribute

Specifies that, when interpreting ToolboxBitmapAttribute declarations, the assembly should look for the indicated resources in a satellite assembly, but with the BitmapSuffix configuration value appended to the declared file name.
namespace System.Drawing { public enum StockIconOptions { Default = 0, SmallIcon = 1, ShellIconSize = 4, LinkOverlay = 32768, Selected = 65536 } } namespace System.Drawing { public class BitmapSuffixInSatelliteAssemblyAttribute : Attribute { public BitmapSuffixInSatelliteAssemblyAttribute(); } }