static void InjectClosingCommandInBetween(RenderChain renderChain, RenderChainCommand cmd, ref RenderChainCommand prev, ref RenderChainCommand next)
{
Debug.Assert(cmd.closing);
if (prev != null)
{
cmd.prev = prev;
prev.next = cmd;
}
if (next != null)
{
cmd.next = next;
next.prev = cmd;
}
VisualElement ve = cmd.owner;
ve.renderChainData.lastClosingCommand = cmd;
if (ve.renderChainData.firstClosingCommand == null)
{
ve.renderChainData.firstClosingCommand = cmd;
}
renderChain.OnRenderCommandAdded(cmd);
// Adjust the pointers as a facility for later injections
prev = cmd;
next = cmd.next;
}