Item by item scrolling in a WPF Listview

Question

I have a listview which is quite small in height, but has 3-4 listviewitems which takes up the whole size of the Listview (so only one item can be displayed at once)

Answer 1

I assume you're talking about the MouseWheel scroll here.

The MouseWheel scroll really depends on the IScrollInfo implementation. I suggest you to handle the MouseWheel event yourself before the ScrollViewer does. So basically, you could do something like following:

Handle the PreviewMouseWheel event on ListBox

In the code behind, fire the ScrollBar.LineDownCommand or ScrollBar.LineUpCommand when you scroll down or up.

private void ListBox_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
    if (e.Delta > 0)
    {
        ScrollBar.LineDownCommand.Execute(null, e.OriginalSource as IInputElement);
    }
    if (e.Delta < 0)
    {
        ScrollBar.LineUpCommand.Execute(null, e.OriginalSource as IInputElement);
    }
    e.Handled = true;
}

Therefore, you turned the MouseWheel scroll into the LineDown/LineUp.