private void Debug_Activated(object sender, EventArgs e)
        {
            var control = sender as NSSegmentedControl;

            switch (control.SelectedSegment)
            {
            case 0:
                if (IdeApp.ProjectOperations.CurrentSelectedBuildTarget == null)
                {
                    return;
                }
                if (DebuggingService.IsPaused)
                {
                    DebuggingService.Resume();
                }
                else
                {
                    DebuggingService.Pause();
                }
                break;

            case 1:
                DebuggingService.StepOver();
                break;

            case 2:
                DebuggingService.StepOut();
                break;

            case 3:
                DebuggingService.StepInto();
                break;
            }
            control.SetSelected(false, control.SelectedSegment);
        }