Microsoft.Web.WebView2.Core Namespace

WebView2 enables you to host web content using the latest Microsoft Edge browser and web technology.

Event args for the AcceleratorKeyPressed event.

Event args for the BasicAuthenticationRequested event. Will contain the request that led to the HTTP authorization challenge, the challenge and allows the host to provide authentication response or cancel the request.

Represents a Basic HTTP authentication response that contains a user name and a password as according to RFC7617 (https://tools.ietf.org/html/rfc7617).

Browser extension installed on current profile.

Event args for the BrowserProcessExited event.

Represents a certificate and provides access to its metadata.

Represents a client certificate that provides access to the client certificate metadata.

Event args for the ClientCertificateRequested event.

This class is an extension of the CoreWebView2Controller class to support visual hosting.

Event args for the ContentLoading event.

Represents a context menu item of a context menu displayed by WebView.

Event args for the ContextMenuRequested event.

Represents the information regarding the context menu target. Includes the context selected and the appropriate data used for the actions of a context menu.

This class is the owner of the CoreWebView2 object, and provides support for resizing, showing and hiding, focusing, and other functionality related to windowing and composition.

Used to manage profile options that created by CreateCoreWebView2ControllerOptions().

Provides a set of properties that are used to manage a CoreWebView2Cookie.

A list of CoreWebView2Cookies.

Creates, adds or updates, gets, or or view the cookies.

Represents the registration of a custom scheme with the CoreWebView2Environment.

This is used to complete deferrals on event args that support getting deferrals using the GetDeferral method. This class implements IDisposable.

Event args for the DevToolsProtocolEventReceived event.

A Receiver is created for a particular DevTools Protocol event and allows you to subscribe and unsubscribe from that event.

Event args for the DOMContentLoaded event.

Represents a download operation. Gives access to a download's metadata and supports a user canceling, pausing, or resuming a download.

Event args for the DownloadStarting event.

This represents the WebView2 Environment.

Options used to create WebView2 Environment.

The result for ExecuteScriptWithResultAsync(String).

Representation of a DOM File object passed via WebMessage.

Representation of a DOM FileSystemHandle object.

CoreWebView2Frame provides direct access to the iframes information and handling.

Event args for the FrameCreated event.

Provides a set of properties for a frame in the CoreWebView2.

Iterator for a collection of HTTP headers.

HTTP request headers.

HTTP response headers.

Event args for the CoreWebView2InitializationCompleted event.

Event args for the LaunchingExternalUriScheme event.

Event args for the MoveFocusRequested event.

Event args for the NavigationCompleted event.

Event args for the NavigationStarting event.

Event args for the NewWindowRequested event.

Event args for the NonClientRegionChanged event.

An object that represents a HTML Notification object.

Event args for the NotificationReceived.

Event args for the PermissionRequested event.

Provides a set of properties for a permission setting.

This mostly represents a combined win32 POINTER_INFO, POINTER_TOUCH_INFO, and POINTER_PEN_INFO object.

Settings used by the PrintToPdfAsync(String, CoreWebView2PrintSettings) method.

Provides a set of properties for a process list with extended information in the .

Event args for the ProcessFailed event.

Provides a set of properties for a process list in the CoreWebView2Environment.

The event args for SaveAsUIShowing event.

The event args for SaveFileSecurityCheckStarting event.

Event args for the ScriptDialogOpening event.

This represents a JavaScript exception.

Event args for the ServerCertificateErrorDetected event.

Defines properties that enable, disable, or modify WebView features.

A shared memory based buffer object that is created by CreateSharedBuffer(UInt64). The object is presented to script as ArrayBuffer when posted to script with PostSharedBufferToScript(CoreWebView2SharedBuffer, CoreWebView2SharedBufferAccess, String).

Event args for the SourceChanged event.

The texture that the host writes to so that the Renderer will render on it.

CoreWebView2 Texture Stream.

Texture stream error event argument.

The event args for the WebTextureReceived event.

The UpdateRuntime operation result.

Event args for the WebMessageReceived event.

An HTTP request used with the WebResourceRequested event.

Event args for the WebResourceRequested event.

An HTTP response used with the WebResourceRequested event.

Event args for the WebResourceResponseReceived event.

View of the HTTP representation for a web resource response.

Web Texture that receives from the Javascript.

The window features for a WebView popup window.

The exception that is thrown when an Edge installation is missing.

The exception that is thrown when an WebView2 Runtime installation is missing.

A value representing RGBA color (Red, Green, Blue, Alpha) for WebView2. Each component takes a value from 0 to 255, with 0 being no intensity and 255 being the highest intensity.

Matrix that represents a 3D transform. This transform is used to calculate correct coordinates when calling CreateCoreWebView2PointerInfoFromPointerId. This is equivalent to a D2D1_MATRIX_4X4_F

Contains the information packed into the LPARAM sent to a Win32 key event.

Mode for how the Bounds property is interpreted in relation to the RasterizationScale property.

Specifies the browser process exit type used in the ICoreWebView2BrowserProcessExitedEventArgs interface.

Specifies the datatype for the ICoreWebView2Profile2::ClearBrowsingData method.

Specifies the image format for the ICoreWebView2::CapturePreview method.

The kind of the CoreWebView2Certificate.

The channel search kind determines the order that release channels are searched for during environment creation. The default behavior is to search for and use the most stable channel found on the device. The order from most to least stable is: WebView2 Runtime -> Beta -> Dev -> Canary. Switch the order to prefer the least stable channel in order to perform pre-release testing. See COREWEBVIEW2_RELEASE_CHANNELS for descriptions of channels.

Specifies the client certificate kind.

Specifies the menu item kind for the ICoreWebView2ContextMenuItem::get_Kind method

Indicates the kind of context for which the context menu was created for the ICoreWebView2ContextMenuTarget::get_Kind method. This enum will always represent the active element that caused the context menu request. If there is a selection with multiple images, audio and text, for example, the element that the end user right clicks on within this selection will be the option represented by this enum.

Kind of cookie SameSite status used in the ICoreWebView2Cookie interface. These fields match those as specified in https://developer.mozilla.org/docs/Web/HTTP/Cookies#. Learn more about SameSite cookies here: https://tools.ietf.org/html/draft-west-first-party-cookies-07

The default download dialog can be aligned to any of the WebView corners by setting the DefaultDownloadDialogCornerAlignment property. The default position is top-right corner.

Reason why a download was interrupted.

State of the download operation.

Specifies the image format to use for favicon.

Kind of CoreWebView2FileSystemHandle as described in FileSystemHandle.kind.

Allowed permissions of a CoreWebView2FileSystemHandle as described in FileSystemHandle.requestPermission().

Indicates the frame type used in the ICoreWebView2FrameInfo interface.

Kind of cross origin resource access allowed for host resources during download. Note that other normal access checks like same origin DOM access check and Content Security Policy still apply. The following table illustrates the host resource cross origin access according to access context and COREWEBVIEW2_HOST_RESOURCE_ACCESS_KIND.

        Cross Origin Access Context | DENY | ALLOW | DENY_CORS
        --- | --- | --- | ---
        From DOM like src of img, script or iframe element| Deny | Allow | Allow
        From Script like Fetch or XMLHttpRequest| Deny | Allow | Deny

Specifies the key event type that triggered an AcceleratorKeyPressed event.

Specifies memory usage target level of WebView.

Mouse event type used by SendMouseInput to convey the type of mouse event being sent to WebView. The values of this enum align with the matching WM_* window messages.

Mouse event virtual keys associated with a COREWEBVIEW2_MOUSE_EVENT_KIND for SendMouseInput. These values can be combined into a bit flag if more than one virtual key is pressed for the event. The values of this enum align with the matching MK_* mouse keys.

Specifies the reason for moving focus.

Specifies the navigation kind of each navigation.

This enum contains values representing possible regions a given point lies within

Specifies the PDF toolbar item types used for the ICoreWebView2Settings::put_HiddenPdfToolbarItems method.

Indicates the type of a permission request.

Specifies the response to a permission request.

Pointer event type used by SendPointerInput to convey the type of pointer event being sent to WebView. The values of this enum align with the matching WM_POINTER* window messages.

An enum to represent the options for WebView2 color scheme: auto, light, or dark.

Specifies the collation for a print.

Specifies the color mode for a print.

Specifies the print dialog kind.

Specifies the duplex option for a print.

Specifies the media size for a print.

The orientation for printing, used by the Orientation property on ICoreWebView2PrintSettings.

Indicates the status for printing.

Specifies the process failure type used in the ICoreWebView2ProcessFailedEventArgs interface. The values in this enum make reference to the process kinds in the Chromium architecture. For more information about what these processes are and what they do, see Browser Architecture - Inside look at modern web browser.

Specifies the process failure reason used in the ICoreWebView2ProcessFailedEventArgs interface. For process failures where a process has exited, it indicates the type of issue that produced the process exit.

Indicates the process type used in the ICoreWebView2ProcessInfo interface.

The WebView2 release channels. Use ReleaseChannels and ChannelSearchKind on ICoreWebView2EnvironmentOptions to control which channel is searched for during environment creation.

        |Channel|Primary purpose|How often updated with new features|
        |:---:|---|:---:|
        |Stable (WebView2 Runtime)|Broad Deployment|Monthly|
        |Beta|Flighting with inner rings, automated testing|Monthly|
        |Dev|Automated testing, selfhosting to test new APIs and features|Weekly|
        |Canary|Automated testing, selfhosting to test new APIs and features|Daily|

Specifies the restart requested priority level.

Specifies Save As kind selection options for ICoreWebView2SaveAsUIShowingEventArgs.

        For HTML documents, we support 3 Save As kinds: HTML_ONLY, SINGLE_FILE and
        COMPLETE. For non-HTML documents, you must use DEFAULT. MIME types of `text/html` and
        `application/xhtml+xml` are considered HTML documents.

Status of a programmatic Save As call. Indicates the result of the ShowSaveAsUI method.

Specifies the JavaScript dialog type used in the ICoreWebView2ScriptDialogOpeningEventHandler interface.

Set ScrollBar style on ICoreWebView2EnvironmentOptions during environment creation.

Specifies the action type when server certificate error is detected to be used in the ICoreWebView2ServerCertificateErrorDetectedEventArgs interface.

Specifies the desired access from script to CoreWebView2SharedBuffer.

Indicates the text direction of the notification.

Kinds of errors that can be reported by the ErrorReceived event.

Tracking prevention levels.

Status of UpdateRuntime operation result.

Indicates the error status values for web navigations.

Specifies the web resource request contexts.

Specifies the source of WebResourceRequested event.