static DragDirectionAdorner()
{
var asmName = Assembly.GetExecutingAssembly().GetName().Name;
CursorHorizontalImageSource = ImageExtensions.ImageSourceFromFile(string.Format("pack://application:,,,/{0};component/Resources/Images/cursor_west_east.png", asmName));
CursorVerticalImageSource = ImageExtensions.ImageSourceFromFile(string.Format("pack://application:,,,/{0};component/Resources/Images/cursor_north_south.png", asmName));
}