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 (IsActiveFrameworkElement())
MouseWheelMoved(this, e);
}
private void HandleMouseWheel(object sender, HtmlEventArgs e)
{
double delta = 0;
ScriptObject eventObj = e.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 && Moved != null)
{
MouseWheelEventArgs wheelArgs = new MouseWheelEventArgs(delta);
Moved(this, wheelArgs);
if (wheelArgs.BrowserEventHandled)
e.PreventDefault();
}
}
