private void Element_MouseWheel(object sender, MouseWheelEventArgs e)
{
var magnifier = MagnifierManager.GetMagnifier(_element) as Magnifier;
if ((magnifier != null) && magnifier.IsUsingZoomOnMouseWheel)
{
if (e.Delta < 0)
{
var newValue = magnifier.ZoomFactor + magnifier.ZoomFactorOnMouseWheel;
#if VS2008
magnifier.ZoomFactor = newValue;
#else
magnifier.SetCurrentValue(Magnifier.ZoomFactorProperty, newValue);
#endif
}
else if (e.Delta > 0)
{
var newValue = (magnifier.ZoomFactor >= magnifier.ZoomFactorOnMouseWheel) ? magnifier.ZoomFactor - magnifier.ZoomFactorOnMouseWheel : 0d;
#if VS2008
magnifier.ZoomFactor = newValue;
#else
magnifier.SetCurrentValue(Magnifier.ZoomFactorProperty, newValue);
#endif
}
_adorner.UpdateViewBox();
}
}
private void Element_MouseLeave(object sender, MouseEventArgs e)
{
var magnifier = MagnifierManager.GetMagnifier(_element) as Magnifier;
if ((magnifier != null) && magnifier.IsFrozen)
{
return;
}
HideAdorner();
}
