private void MapZoomSlider_ValueChanged(object sender, RoutedPropertyChangedEventArgs <double> e)
{
if (!mapJustZoomed)
{
double currentValue = ((Slider)sender).Value;
double delta = lastMapZoomSliderValue - currentValue;
if (MapBorder.IsLoaded)
{
MapBorder.ScaleContent(MapBorderCenter, delta < 0, Math.Abs(delta));
lastMapZoomSliderValue = currentValue;
}
}
}
