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IExtensionHandler Interface

Version 81.3.100
Implement this interface to handle events related to browser extensions. The methods of this class will be called on the CEF UI thread. See LoadExtension(String, String, IExtensionHandler) for information about extension loading.

Namespace:  CefSharp
Assembly:  CefSharp (in CefSharp.dll) Version: 81.3.100.0 (81.3.100.0)
Syntax
public interface IExtensionHandler : IDisposable

The IExtensionHandler type exposes the following members.

Methods
  NameDescription
Public methodCanAccessBrowser
Called when the tabId associated with targetBrowser is specified to an extension API call that accepts a tabId parameter (e.g. chrome.tabs.*).
Public methodDispose
Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
(Inherited from IDisposable.)
Public methodGetActiveBrowser
Called when no tabId is specified to an extension API call that accepts a tabId parameter (e.g. chrome.tabs.*).
Public methodGetExtensionResource
Called to retrieve an extension resource that would normally be loaded from disk (e.g. if a file parameter is specified to chrome.tabs.executeScript). Localization substitutions will not be applied to resources handled via this method.
Public methodOnBeforeBackgroundBrowser
Called when an extension needs a browser to host a background script specified via the "background" manifest key. The browser will have no visible window and cannot be displayed. To allow creation of the browser optionally modify newBrowser and settings and return false. To cancel creation of the browser (and consequently cancel load of the background script) return true. Successful creation will be indicated by a call to ILifeSpanHandler.OnAfterCreated, and IBrowserHost.IsBackgroundHost will return true for the resulting browser. See https://developer.chrome.com/extensions/event_pages for more information about extension background script usage.
Public methodOnBeforeBrowser
Called when an extension API (e.g. chrome.tabs.create) requests creation of a new browser. Successful creation will be indicated by a call to OnAfterCreated(IWebBrowser, IBrowser).
Public methodOnExtensionLoaded
Called if the LoadExtension(String, String, IExtensionHandler) request succeeds.
Public methodOnExtensionLoadFailed
Public methodOnExtensionUnloaded
Called after the IExtension.Unload request has completed.
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See Also