Implement this interface to handle frame events All methods will be called on the CEF UI thread
Namespace: CefSharpCefSharp (in CefSharp.dll) Version: 118.6.80.0 (118.6.80.0)
Syntaxpublic interface IFrameHandler
public interface class IFrameHandler
The IFrameHandler type exposes the following members.
Methods Name Description OnFrameAttachedCalled when a frame can begin routing commands to/from the associated renderer process. Any commands that were queued have now been dispatched.
OnFrameCreatedCalled when a new frame is created. This will be the first notification that references frame. Any commands that require transport to the associated renderer process (LoadRequest, SendProcessMessage, GetSource, etc.) will be queued until OnFrameAttached is called for frame.
OnFrameDetachedCalled when a frame loses its connection to the renderer process and will be destroyed. Any pending or future commands will be discarded and
IsValidwill now return
falsefor
frame. If called after
OnBeforeClose(IWebBrowser, IBrowser)during browser destruction then
IsValidwill return
falsefor
browser.
OnMainFrameChangedCalled when the main frame changes due to one of the following: - (a) initial browser creation - (b) final browser destruction - (c) cross-origin navigation - (d) re-navigation after renderer process termination (due to crashes, etc).
oldFramewill be
nulland
newFramewill be non-
nullwhen a main frame is assigned to
browserfor the first time.
oldFramewill be non-
nulland
newFramewill be
nullwhen a main frame is removed from
browserfor the last time. Both
oldFrameand
newFramewill be non-
nullfor cross-origin navigations or re-navigation after renderer process termination. This method will be called after
OnFrameCreated(IWebBrowser, IBrowser, IFrame)for
newFrameand/or after
OnFrameDetached(IWebBrowser, IBrowser, IFrame)for
oldFrame. If called after
OnBeforeClose(IWebBrowser, IBrowser)during browser destruction then
IsValidwill return
falsefor
browser.
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