void OnHover(object sender, MouseEventArgs e) { Point pos = e.GetPosition(this); foreach (double inflation in new double[] { 0, 2, 5, 10, 20 }) { foreach (BeginEndEvent record in data) { Rect bounds = record.Bounds; bounds.Inflate(inflation, inflation); if (bounds.Contains(pos)) { Popup popup = gesture.CreatePopup(GetPopupContent(record)); popup.IsOpen = true; return; } } } }
void OnHover(object sender, MouseEventArgs e) { Connector.Visibility = System.Windows.Visibility.Hidden; Dot.Visibility = System.Windows.Visibility.Hidden; if (scaled != null) { int closest = FindClosestPoint(e); if (closest >= 0) { Grid grid = GetPopupContent(closest); if (grid != null) { Popup popup = hover.CreatePopup(grid); popup.Opened += (sender2, args) => { try { Point p = scaled[closest]; Point topleft = new Point(0, 0); topleft = popup.Child.PointToScreen(topleft); topleft = this.PointFromScreen(topleft); Connector.X1 = topleft.X; Connector.Y1 = topleft.Y; Connector.X2 = p.X; Connector.Y2 = p.Y; Connector.Visibility = System.Windows.Visibility.Visible; Canvas.SetLeft(Dot, p.X - Dot.Width / 2); Canvas.SetTop(Dot, p.Y - Dot.Height / 2); Dot.Visibility = System.Windows.Visibility.Visible; } catch { } }; popup.IsOpen = true; } } } }