鼠标滚轮穿透2

/// <summary>
/// 滚轮事件穿透
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DG1_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
var eventArg = new System.Windows.Input.MouseWheelEventArgs(e.MouseDevice, e.Timestamp, e.Delta);
eventArg.RoutedEvent = System.Windows.UIElement.MouseWheelEvent;
eventArg.Source = sender;
(sender as DataGrid).RaiseEvent(eventArg);
}