private void UpdateSceneSize()
{
Vector2f sceneSize = new Vector2f(100.0f, 100.0f);
if(this.SelectedScene != null)
{
sceneSize = this.SelectedScene.Size;
}
if(this.ScalingHelper != null)
{
this.ScalingHelper.VisibleArea = sceneSize;
}
else
{
this.Size = sceneSize.ToSystemSize();
}
}