protected void FreeHandle()
        {
#if DEBUG
            Console.WriteLine($"CS::Mono.WebAssembly.Runtime::FreeHandle {JSHandle}");
#endif
            JSInterop.InvokeJS("BINDING.mono_wasm_free_handle(" + JSHandle + ");");
        }
 public int BindObject()
 {
     return(JSInterop.BindJSObject(this));
 }