private void toolStripButtonFibonacci_Click(object sender, EventArgs e) { if (toolStripButtonFibonacci.Checked) { if (MasterPane.CustomObjectsManager.IsBuildingObject) {// Already building. ((ToolStripButton)(sender)).Checked = false; return; } FibonacciRetracementObject fibonacci = new FibonacciRetracementObject("fibonacci retracement"); fibonacci.PenColor = DrawingColor; MasterPane.CustomObjectsManager.BuildDynamicObject(fibonacci); } else { MasterPane.CustomObjectsManager.StopBuildingDynamicObject(); } }