protected override void OnParentMouseDown(object sender, MouseButtonEventArgs e) { if (e.LeftButton != MouseButtonState.Pressed) { return; } _startPoint = e.GetPosition(this); _lastPoint = _startPoint; if (!BlockConverter.CanConvert(PointOutBlock)) { return; } _canMove = PointOutBlock != null && !BlockConverter.GetLocked(PointOutBlock); if (_canMove) { StartMouseMovementTracking(); var date = AxisXConverter.ScreenToData(0); var newDate = date.Add(StepMin); _stepMinDistance = AxisXConverter.DataToScreen(newDate); } }
private bool CanScale() { if (PointOutBlock == null) { return(false); } return(BlockConverter.CanConvert(PointOutBlock) && !BlockConverter.GetLocked(PointOutBlock)); }