private void CustomListView_PreviewMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
var isSlidingByPixel = false;
var canContentScroll = ScrollViewer.GetCanContentScroll(this);
if (canContentScroll)
{
var scrollUnit = VirtualizingPanel.GetScrollUnit(this);
if (scrollUnit == ScrollUnit.Pixel)
{
isSlidingByPixel = true;
}
}
if (isSlidingByPixel)
{
if (e.Delta > 0)
{
//向上
_scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset - CustomPixelModeUnit);
}
else if (e.Delta < 0)
{
//向下
_scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset + CustomPixelModeUnit);
}
}
else
{
if (e.Delta > 0)
{
//向上
_scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset - CustomRowModeUnit);
}
else if (e.Delta < 0)
{
//向下
_scrollViewer.ScrollToVerticalOffset(_scrollViewer.VerticalOffset + CustomRowModeUnit);
}
}
e.Handled = true;
}
