/// <summary>
/// Renders object and children recursevelly.
/// </summary>
/// <param name="obj"></param>
void RenderObject(IDisplayObject obj)
{
IGuiRenderer renderer = obj.Skin;
if (renderer == null)
{
throw new InvalidOperationException();
}
renderer.Render(canvas, obj);
if (obj is IContainer)
{
foreach (object child in (obj as IContainer).Children)
{
if (child is IDisplayObject)
{
RenderObject(child as IDisplayObject);
}
}
}
}