private void OnRemoveItem(MultiSliderPoint item)
{
item.Polygon.KeyDown -= Polygon_KeyDown;
item.PropertyChanged -= Point_PropertyChanged;
try
{
canvas.Children.Remove(item.Polygon);
}
catch { }
}
private void OnAddItem(MultiSliderPoint item)
{
item.Parent = canvas;
item.Polygon.Style = SliderStyle;
item.Polygon.KeyDown += Polygon_KeyDown;
item.PropertyChanged += Point_PropertyChanged;
try
{
canvas.Children.Add(item.Polygon);
}
catch { }
}
private void canvas_MouseUp(object sender, MouseButtonEventArgs e)
{
if (points.Any(q => q.IsMouseOver))
{
return;
}
var mousePoint = Mouse.GetPosition(sender as IInputElement);
var point = new MultiSliderPoint(mousePoint.X, canvas);
point.Polygon.MouseDown += (s, a) => SelectedIndex = points.IndexOf(point);
if (point.Center >= 0 && point.Center <= canvas.Width)
{
points.Add(point);
point.Polygon.Focus();
SelectedIndex = points.IndexOf(point);
OnValueAdded(e);
}
}