public DesignAidsProvider(DesignSurface designSurface)
{
DesignSurface = designSurface;
DesignSurface.Loaded += DesignSurfaceOnLoaded;
SelectionAdorners = new Dictionary<ICanvasItem, SelectionAdorner>();
EdgeAdorners = new Dictionary<Edge, EdgeAdorner>();
PlaneOperation = PlaneOperation.Resize;
DragOperationHost = new DragOperationHost(DesignSurface);
DragOperationHost.DragStarted += DragOperationHostOnDragStarted;
DragOperationHost.DragEnd += DragOperationHostOnDragEnd;
SnappingEngine = new CanvasItemSnappingEngine(4);
var snappedEdges = SnappingEngine.SnappedEdges;
((INotifyCollectionChanged)snappedEdges).CollectionChanged += SnappedEdgesOnCollectionChanged;
DragOperationHost.SnappingEngine = SnappingEngine;
}
public void MyTestMethod()
{
var snappingEngine = new CanvasItemSnappingEngine(8);
var canvasItems = new List<CanvasItem>
{
new CanvasModelItem
{
Left = 10,
Top = 10,
Height = 20,
Width = 20,
},
new CanvasModelItem
{
Left = 33,
Top = 10,
Height = 20,
Width = 20,
}
};
snappingEngine.Magnets = canvasItems;
}
