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IResourceRequestHandlerOnProtocolExecution Method

Version 108.4.130
Called on the CEF UI thread to handle requests for URLs with an unknown protocol component. SECURITY WARNING: YOU SHOULD USE THIS METHOD TO ENFORCE RESTRICTIONS BASED ON SCHEME, HOST OR OTHER URL ANALYSIS BEFORE ALLOWING OS EXECUTION.

Namespace:  CefSharp
Assembly:  CefSharp (in CefSharp.dll) Version: 108.4.130.0 (108.4.130.0)
Syntax
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bool OnProtocolExecution(
	IWebBrowser chromiumWebBrowser,
	IBrowser browser,
	IFrame frame,
	IRequest request
)

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 - cannot be modified in this callback

Return Value

Type: Boolean
return to true to attempt execution via the registered OS protocol handler, if any. Otherwise return false.
See Also