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ResourceRequestHandler.OnBeforeResourceLoad Method

Version 93.1.111
Called on the CEF IO thread before a resource request is loaded. To redirect or change the resource load optionally modify request. Modification of the request URL will be treated as a redirect.

Namespace:  CefSharp.Handler
Assembly:  CefSharp (in CefSharp.dll) Version: 93.1.111.0 (93.1.111.0)
Syntax
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protected virtual CefReturnValue OnBeforeResourceLoad(
	IWebBrowser chromiumWebBrowser,
	IBrowser browser,
	IFrame frame,
	IRequest request,
	IRequestCallback callback
)

Parameters

chromiumWebBrowser
Type: CefSharp.IWebBrowser
The ChromiumWebBrowser control.
browser
Type: CefSharp.IBrowser
the browser object - may be null if originating from ServiceWorker or CefURLRequest.
frame
Type: CefSharp.IFrame
the frame object - may be null if originating from ServiceWorker or CefURLRequest.
request
Type: CefSharp.IRequest
the request object - can be modified in this callback.
callback
Type: CefSharp.IRequestCallback
Callback interface used for asynchronous continuation of url requests.

Return Value

Type: CefReturnValue
Return Continue to continue the request immediately. Return ContinueAsync and call Continue(Boolean) or Cancel() at a later time to continue or the cancel the request asynchronously. Return Cancel to cancel the request immediately.
See Also