HostObjectsAsyncRoot class

Package:

WebView2Script

Contains asynchronous proxies for all host objects added via CoreWebView2.AddHostObjectToScript as well as options to configure those proxies, and the container for synchronous proxies.

If you call coreWebView2.AddHostObjectToScript("myObject", object); in your native code, an asynchronous proxy for object is available to your web-side code, by using chrome.webview.hostObjects.myObject.

Extends

HostObjectAsyncProxyBase

Properties

options	Contains options applicable to CoreWebView2.AddHostObjectToScript added script proxies.
sync	Contains synchronous proxies for all host objects added via CoreWebView2.AddHostObjectToScript. If you call coreWebView2.AddHostObjectToScript("myObject", object); in your native code, a synchronous proxy for object is available to your web-side code, by using chrome.webview.hostObjects.sync.myObject.

Methods

cancelPromise(promise)	Performs a best-effort cancellation on promises for async method calls.
cleanupSome()	Performs a best effort garbage collection on host object proxies that are no longer in use.

Property Details

options

Contains options applicable to CoreWebView2.AddHostObjectToScript added script proxies.

options: HostObjectsOptions;

Property Value

HostObjectsOptions

sync

Contains synchronous proxies for all host objects added via CoreWebView2.AddHostObjectToScript.

If you call coreWebView2.AddHostObjectToScript("myObject", object); in your native code, a synchronous proxy for object is available to your web-side code, by using chrome.webview.hostObjects.sync.myObject.

sync: HostObjectsSyncRoot;

Property Value

HostObjectsSyncRoot

Method Details

cancelPromise(promise)

Performs a best-effort cancellation on promises for async method calls.

cancelPromise(promise: Promise<HostObjectAsyncProxy>): void;

Parameters

promise

Promise<HostObjectAsyncProxy>

Returns

void

cleanupSome()

Performs a best effort garbage collection on host object proxies that are no longer in use.

cleanupSome() : void;

Returns

void