private void CanvasPanel_ShapeCreatedEvent(object sender, ShapeEventArgs e)
{
(Tools[ToolTypes.SelectionTool] as SelectionTool).SelectedShape = e.Shape;
this.ActiveTool = Tools[ToolTypes.SelectionTool];
}
private void CanvasPanel_ShapeCancelledEvent(object sender, ShapeEventArgs e)
{
this.Shapes.Remove(e.Shape);
}