protected override void RemoveSide()
{
var index = sides.Count - 1;
if (index > 2)
{
var firstSide = sides[index - 1];
firstSide.UnregisterFromDependencies();
firstSide.Dependencies[1] = this.Dependencies[1];
firstSide.RegisterWithDependencies();
}
var side = sides[index];
side.UnregisterFromDependencies();
sides.RemoveLast();
var drawing = Drawing;
var action = new RemoveFigureAction(drawing, side);
action.Execute();
Children.Remove(side);
if (Drawing != null)
{
side.OnRemovingFromCanvas(Drawing.Canvas);
}
}
protected void RemoveVertex()
{
var vertex = vertices[vertices.Count - 1];
vertex.UnregisterFromDependencies();
vertices.RemoveLast();
var drawing = vertex.Drawing;
var action = new RemoveFigureAction(drawing, vertex);
action.Execute();
Children.Remove(vertex);
if (Drawing != null)
{
vertex.OnRemovingFromCanvas(Drawing.Canvas);
}
}