WASM)

Implemented for: Android, iOS, tvOS, WASM

This document lists all properties, methods, and events of WebView2 that are currently implemented by the Uno Platform. See the WinUI documentation for detailed usage guidelines which all automatically apply to Uno Platform.

Implemented properties

Property	Supported on
Uri Source	WASM, Skia, Mobile
bool CanGoForward	WASM, Skia, Mobile
bool CanGoBack	WASM, Skia, Mobile
CoreWebView2 CoreWebView2	WASM, Skia, Mobile
DependencyProperty CanGoBackProperty	WASM, Skia, Mobile
DependencyProperty CanGoForwardProperty	WASM, Skia, Mobile
DependencyProperty SourceProperty	WASM, Skia, Mobile

Implemented methods

Method	Supported on
IAsyncAction EnsureCoreWebView2Async()	WASM, Skia, Mobile
IAsyncOperation ExecuteScriptAsync(string)	WASM, Skia, Mobile
void Reload()	WASM, Skia, Mobile
void GoForward()	WASM, Skia, Mobile
void GoBack()	WASM, Skia, Mobile
void NavigateToString(string)	WASM, Skia, Mobile

Implemented events

Event	Supported on
TypedEventHandler<WebView2, CoreWebView2ProcessFailedEventArgs> CoreProcessFailed	WASM, Skia, Mobile
TypedEventHandler<WebView2, CoreWebView2InitializedEventArgs> CoreWebView2Initialized	WASM, Skia, Mobile
TypedEventHandler<WebView2, CoreWebView2NavigationCompletedEventArgs> NavigationCompleted	WASM, Skia, Mobile
TypedEventHandler<WebView2, CoreWebView2NavigationStartingEventArgs> NavigationStarting	WASM, Skia, Mobile
TypedEventHandler<WebView2, CoreWebView2WebMessageReceivedEventArgs> WebMessageReceived	WASM, Skia, Mobile

Below are all properties, methods, and events of WebView2 that are not currently implemented in Uno.

Not implemented properties

Property	Not supported on
Uri Source	MacOS
Color DefaultBackgroundColor	all platforms supported by Uno Platform
bool CanGoForward	MacOS
bool CanGoBack	MacOS
CoreWebView2 CoreWebView2	MacOS
DependencyProperty CanGoBackProperty	MacOS
DependencyProperty CanGoForwardProperty	MacOS
DependencyProperty DefaultBackgroundColorProperty	all platforms supported by Uno Platform
DependencyProperty SourceProperty	MacOS

Not implemented methods

Method	Not supported on
IAsyncAction EnsureCoreWebView2Async()	MacOS
IAsyncOperation ExecuteScriptAsync(string)	MacOS
void Reload()	MacOS
void GoForward()	MacOS
void GoBack()	MacOS
void NavigateToString(string)	MacOS
void Close()	all platforms supported by Uno Platform
IAsyncAction EnsureCoreWebView2Async(CoreWebView2Environment)	all platforms supported by Uno Platform
IAsyncAction EnsureCoreWebView2Async(CoreWebView2Environment, CoreWebView2ControllerOptions)	all platforms supported by Uno Platform

Not implemented events

Event	Not supported on
TypedEventHandler<WebView2, CoreWebView2ProcessFailedEventArgs> CoreProcessFailed	MacOS
TypedEventHandler<WebView2, CoreWebView2InitializedEventArgs> CoreWebView2Initialized	MacOS
TypedEventHandler<WebView2, CoreWebView2NavigationCompletedEventArgs> NavigationCompleted	MacOS
TypedEventHandler<WebView2, CoreWebView2NavigationStartingEventArgs> NavigationStarting	MacOS
TypedEventHandler<WebView2, CoreWebView2WebMessageReceivedEventArgs> WebMessageReceived	MacOS

Last updated Friday, 27 February 2026 22:03.