CoreWebView2HostResourceAccessKind Enum

Definition

Namespace:

Microsoft.Web.WebView2.Core

Assembly:

Microsoft.Web.WebView2.Core.dll

Package:

Microsoft.Web.WebView2 v1.0.2903.40

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

public enum CoreWebView2HostResourceAccessKind

type CoreWebView2HostResourceAccessKind = 

Public Enum CoreWebView2HostResourceAccessKind

Inheritance

Enum

CoreWebView2HostResourceAccessKind

Fields

Name	Value	Description
Deny	0	All cross origin resource access is denied, including normal sub resource access as src of a script or image element.
Allow	1	All cross origin resource access is allowed, including accesses that are subject to Cross-Origin Resource Sharing(CORS) check. The behavior is similar to a web site sends back http header Access-Control-Allow-Origin: *.
DenyCors	2	Cross origin resource access is allowed for normal sub resource access like as src of a script or image element, while any access that subjects to CORS check will be denied. See Cross-Origin Resource Sharing for more information.

Remarks

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 CoreWebView2HostResourceAccessKind.

	Cross Origin Access Context	Deny	Allow	DenyCors
	From DOM like src of img, script or iframe element	Deny	Allow	Allow
	From Script like Fetch or XMLHttpRequest	Deny	Allow	Deny