/// <summary>
/// Zoom to the given location.
/// </summary>
/// <param name="location">The zoom focus.</param>
/// <param name="delta">Indicates whether to zoom in or out.</param>
public void Zoom(float x, float y, int delta)
{
if (!initialized)
{
return;
}
if (trans.ZoomUpdate(delta, x, y))
{
// Redraw
this.Render();
}
}