public override void onMouseUp(int x, int y)
{
this.lineObject.SetState(StaticState.GetInstance());
lineObject = null;
}
public override void onMouseDown(int x, int y)
{
lineObject = new DobLine(x, y, x, y, this.getPenClone());
this.drawingToolBox.GetCanvas()
.AddDrawingObject(this.lineObject);
}