private void HandleBrowserMouseWheelMoved(object sender, MouseWheelEventArgs e) { //Only fire the mouse wheel moved event if this is the top-most //scrolling element in the UI tree. if (IsActiveScrollViewer()) this.MouseWheelMoved(this, e); }
private void HandleMouseWheel(object sender, HtmlEventArgs args) { double delta = 0; ScriptObject eventObj = args.EventObject; if (eventObj.GetProperty("wheelDelta") != null) { delta = ((double)eventObj.GetProperty("wheelDelta")) / 120; if (HtmlPage.Window.GetProperty("opera") != null) delta = -delta; } else if (eventObj.GetProperty("detail") != null) { delta = -((double)eventObj.GetProperty("detail")) / 3; if (HtmlPage.BrowserInformation.UserAgent.IndexOf("Macintosh") != -1) delta = delta * 3; } if (delta != 0 && this.Moved != null) { MouseWheelEventArgs wheelArgs = new MouseWheelEventArgs(delta); this.Moved(this, wheelArgs); if (wheelArgs.BrowserEventHandled) args.PreventDefault(); } }