public BezierCurveControl()
{
_points = new CurvePointList(this);
_points.AddPoint(new Point(0, 1000));
_points.AddPoint(new Point(1000, 0));
InitializeComponent();
}
private void Canvas_MouseDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
if (_activePoint != null || e.RightButton == MouseButtonState.Pressed)
{
return;
}
var point = e.GetPosition((Canvas)sender);
FloatingPoint.Visibility = Visibility.Collapsed;
_activePoint = _points.AddPoint(point);
_activePoint.Dot = new Path
{
Fill = Brushes.Blue,
Stroke = Brushes.Blue,
Data = new EllipseGeometry(point, 10, 10),
};
_activePoint.Dot.MouseDown += _activePoint.OnMouseDown;
_activeMin = _activePoint.GetMinValue();
_activeMax = _activePoint.GetMaxValue();
Graph.Children.Add(_activePoint.Dot);
Canvas_Loaded(sender, null);
}