/// <summary>
/// Hides the temporary via way point.
/// </summary>
public static void Hide()
{
if (instance != null)
{
instance.Dispose();
}
instance = null;
}
/// <summary>
/// Handles mouse move event.
/// Displays a draggable, temporary via way point if a route is in range.
/// </summary>
/// <param name="sender">Event source</param>
/// <param name="e">Event arguments</param>
private void Map_PreviewMouseMove(object sender, MouseEventArgs e)
{
Route route = null;
var p = e.GetPosition(Map);
if (GetNearestRoutePoint(48, ref route, ref p))
{
TemporaryVia.Show(this, route, p);
}
else
{
TemporaryVia.Hide();
}
}
/// <summary>
/// Displays the temporary via way point
/// </summary>
/// <param name="layer">Assigned route layer</param>
/// <param name="route">Assigned route</param>
/// <param name="p">Position of the via way point (word coordinates)</param>
public static void Show(RouteLayer layer, Route route, System.Windows.Point p)
{
if (instance == null)
{
instance = new TemporaryVia(layer, p, RouteLayer.TMPVIA_STYLE)
{
ZIndex = 999
}
}
;
instance.Route = route;
instance.Point = p;
}