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ResourceRequestHandlerOnBeforeResourceLoad Method

Version 87.1.132
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: 87.1.132.0 (87.1.132.0)
Syntax
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protected virtual CefReturnValue OnBeforeResourceLoad(
	IWebBrowser chromiumWebBrowser,
	IBrowser browser,
	IFrame frame,
	IRequest request,
	IRequestCallback callback
)

Parameters

chromiumWebBrowser
Type: CefSharpIWebBrowser
The ChromiumWebBrowser control.
browser
Type: CefSharpIBrowser
the browser object - may be null if originating from ServiceWorker or CefURLRequest.
frame
Type: CefSharpIFrame
the frame object - may be null if originating from ServiceWorker or CefURLRequest.
request
Type: CefSharpIRequest
the request object - can be modified in this callback.
callback
Type: CefSharpIRequestCallback
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