/// <summary>
/// Fires the zoom to layer event.
/// </summary>
protected virtual void OnZoomToLayer()
{
if (Extent != null && !Extent.IsEmpty())
{
// changed by jany_ (2015-07-17) zooming to an empty layer makes no sense
ZoomToLayer?.Invoke(this, new EnvelopeArgs(Extent.ToEnvelope()));
}
}
/// <summary>
/// Fires the zoom to layer event, but specifies the extent.
/// </summary>
/// <param name="env">Envelope env</param>
protected virtual void OnZoomToLayer(Envelope env)
{
ZoomToLayer?.Invoke(this, new EnvelopeArgs(env));
}
/// <summary>
/// Fires the ZoomToLayer method when one of the layers fires its ZoomTo event.
/// </summary>
/// <param name="sender">The layer to zoom to.</param>
/// <param name="e">The extent of the layer.</param>
protected virtual void OnZoomToLayer(object sender, EnvelopeArgs e)
{
// Just forward the event
ZoomToLayer?.Invoke(sender, e);
}