protected override void OnPreviewMouseWheel(MouseWheelEventArgs e)
{
if ((Keyboard.Modifiers & ModifierKeys.Control) > 0)
{
var Value = SelectedValue.To <double>();
if (e.Delta > 0)
{
if (WheelTick == 0)
{
var i = Sizes.IndexOf(SelectedValue.To <double>()) + 1;
if (i <= Sizes.Count - 1)
{
Value = Sizes[i];
}
}
else
{
if (Value + WheelTick <= WheelTickMax)
{
Value += WheelTick;
}
}
}
else
{
if (WheelTick == 0)
{
var i = Sizes.IndexOf(SelectedValue.To <double>()) - 1;
if (i >= 0)
{
Value = Sizes[i];
}
}
else
{
if (Value - WheelTick >= WheelTickMin)
{
Value -= WheelTick;
}
}
}
SelectedValue = Value;
}
}