Change Content Type Edit, New and Display Form URL of a SharePoint List

public static void UpdateContentTypeUrl(ClientContext context)
{
   List list = context.Web.Lists.GetByTitle("ListName");
   ContentTypeCollection contentTypeColl = list.ContentTypes;
   context.Load(contentTypeColl);
   context.ExecuteQuery();
   foreach (ContentType ct in contentTypeColl)
   {
      if (ct.Name == "ContentTypeName")
      {
         ct.EditFormUrl = "~site/Pages/EditForm.aspx";
         ct.NewFormUrl = "~site/Pages/NewForm.aspx";
         ct.DisplayFormUrl = "~site/Pages/DisplayForm.aspx";
         ct.Update(false);
      }
   }
   list.Update();
   context.ExecuteQuery();
}