private void ExpandGroupBox(BaseController canvasController, FlowSharpLib.GroupBox gb, IEnumerable <GraphicElement> children)
{
canvasController.Redraw(gb, _ =>
{
gb.SetExpandedState();
Rectangle r = gb.DisplayRectangle;
gb.DisplayRectangle = new Rectangle(r.Location, gb.ExpandedSize);
// Update connections after display rectangle has been updated, as this adjusts the connection points.
canvasController.UpdateConnections(gb);
});
// In an expand , not all the children may redraw because the collapsed groupbox does not intersect them!
children.ForEach(el =>
{
el.Visible = true;
el.Redraw();
});
}
