public void Render()
{
if (Filled())
{
if (visual == null)
{
visual = renderer.RenderCell(bounds);
}
}
else
{
if (visual != null)
{
renderer.RemoveCell(visual);
visual = null;
}
for (var i = 0; i < children.Length; i++)
{
if (children[i] != null)
{
children[i].Render();
}
}
}
}