<PackageReference Include="System.Drawing.Common" Version="9.0.5" />

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 { [AttributeUsage(AttributeTargets.Assembly)] public class BitmapSuffixInSatelliteAssemblyAttribute : Attribute { public BitmapSuffixInSatelliteAssemblyAttribute() { throw new PlatformNotSupportedException(System.SR.SystemDrawingCommon_PlatformNotSupported); } } }