public SelectionGeometryCache(IDirect2DFactory factory, PaintDotNet.Canvas.SelectionSnapshot selectionSnapshot) { this.factory = factory; this.selectionSnapshot = selectionSnapshot; this.geometry = LazyResult.New <IGeometry>(() => this.factory.CreateGeometry(selectionSnapshot.GeometryList.Value), LazyThreadSafetyMode.ExecutionAndPublication, new SingleUseCriticalSection()); this.pixelatedGeometry = LazyResult.New <IGeometry>(() => GeometryHelpers.ToDirect2DGeometryDestructive(this.factory, ScansHelpers.ConvertNonOverlappingScansToPolygons(selectionSnapshot.PixelatedScans.Value), FillMode.Alternate, FigureBegin.Filled, FigureEnd.Closed), LazyThreadSafetyMode.ExecutionAndPublication, new SingleUseCriticalSection()); }