In windowed method, this celebration is synchronous. Right until you set Managed to accurate or perhaps the party handler returns, the browser process is blocked and outgoing cross-procedure COM calls will fall short with RPC_E_CANTCALLOUT_ININPUTSYNCCALL. All CoreWebView2 strategies get the job done, however. In windowless manner, the event is asynchronous. https://color-palette-generator58023.bloggazza.com/36698506/considerations-to-know-about-color