using Blahblah.FlowerApp.Controls; namespace Blahblah.FlowerApp.Handlers; public partial class WaterfallLayoutHandler { static readonly IPropertyMapper PropertyMapper = new PropertyMapper(ViewMapper) { [nameof(WaterfallLayout.Columns)] = MapColumns }; static readonly CommandMapper CommandMapper = new(ViewCommandMapper) { }; public WaterfallLayoutHandler() : base(PropertyMapper, CommandMapper) { } }