private void MouseWheel(MouseWheelEventArgs e)
{
var comboBox = e.Source as ComboBox;
if (comboBox != null && comboBox.IsDropDownOpen)
{
return;
}
var listBox = e.Source as ListBox;
if (listBox != null)
{
var svChild = Common.FindVisualChild <ScrollViewer>(listBox);
if (svChild != null && DoubleUtil.GreaterThan(svChild.ScrollableHeight, 0))
{
return;
}
}
var sv = e.Source as ScrollViewer;
if (sv == null)
{
sv = Common.FindLogicParent <ScrollViewer>(e.Source as DependencyObject);
if (sv == null)
{
return;
}
}
if (e.Delta > 0)
{
sv.ScrollToHorizontalOffset(Math.Max(0, sv.HorizontalOffset - e.Delta));
}
else
{
sv.ScrollToHorizontalOffset(Math.Min(sv.ScrollableWidth, sv.HorizontalOffset - e.Delta));
}
e.Handled = true;
}
