public RectangleTool(string name, string label, Canvas.ICanvas canvas)
{
Name = name;
Label = label;
Canvas = canvas;
activeObject = null;
}
public override void MouseDown(object sender, MouseEventArgs e, Panel panel1, LinkedList <AObject> listObject)
{
rectangleObject = new Object.Rectangle(e.Location, rectangleOpacity, rectangleColor);
rectangleObject.to = e.Location;
rectangleObject.setGraphics(panel1.CreateGraphics());
rectangleObject.Draw();
panel1.Invalidate();
}