Add an observer for DevTools protocol messages (method results and events). The observer will remain registered until the returned Registration object is destroyed. See the SendDevToolsMessage documentation for additional usage information.
AddWordToDictionaryAdd the specified word to the spelling dictionary.
CloseBrowserRequest that the browser close. The JavaScript 'onbeforeunload' event will be fired.
CloseDevToolsExplicitly close the developer tools window if one exists for this browser instance.
DisposePerforms application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
(Inherited from IDisposable.) DragSourceEndedAtCall this method when the drag operation started by a StartDragging(IDragData, DragOperationsMask, Int32, Int32) call has ended either in a drop or by being cancelled. If the web view is both the drag source and the drag target then all DragTarget* methods should be called before DragSource* methods. This method is only used when window rendering is disabled.
DragSourceSystemDragEndedCall this method when the drag operation started by a StartDragging(IDragData, DragOperationsMask, Int32, Int32) call has completed. This method may be called immediately without first calling DragSourceEndedAt to cancel a drag operation. If the web view is both the drag source and the drag target then all DragTarget* methods should be called before DragSource* mthods. This method is only used when window rendering is disabled.
DragTargetDragDrop DragTargetDragEnter DragTargetDragLeave DragTargetDragOver ExecuteDevToolsMethod(Int32, String, IDictionaryString, Object)Execute a method call over the DevTools protocol. This is a more structured version of SendDevToolsMessage. See the DevTools protocol documentation at https://chromedevtools.github.io/devtools-protocol/ for details of supported methods and the expected parameters dictionary contents. See the SendDevToolsMessage documentation for additional usage information.
ExecuteDevToolsMethod(Int32, String, String)Execute a method call over the DevTools protocol. This is a more structured version of SendDevToolsMessage. See the DevTools protocol documentation at https://chromedevtools.github.io/devtools-protocol/ for details of supported methods and the expected paramsAsJson dictionary contents. See the SendDevToolsMessage documentation for additional usage information.
FindSearch for searchText.
GetNavigationEntriesRetrieve a snapshot of current navigation entries as values sent to the specified visitor.
GetNextDevToolsMessageId GetOpenerWindowHandleRetrieve the window handle of the browser that opened this browser.
GetVisibleNavigationEntryReturns the current visible navigation entry for this browser. This method can only be called on the CEF UI thread which by default is not the same as your application UI thread.
GetWindowHandleRetrieve the window handle for this browser.
GetZoomLevelGets the current zoom level. The default zoom level is 0.0. This method can only be called on the CEF UI thread.
GetZoomLevelAsyncGet the current zoom level. The default zoom level is 0.0. This method executes GetZoomLevel on the CEF UI thread in an async fashion.
ImeCancelCompositionCancels the existing composition and discards the composition node contents without applying them. See comments on ImeSetComposition for usage. This method is only used when window rendering is disabled. (WPF and OffScreen)
ImeCommitTextCompletes the existing composition by optionally inserting the specified text into the composition node. This method is only used when window rendering is disabled. (WPF and OffScreen)
ImeFinishComposingTextCompletes the existing composition by applying the current composition node contents. See comments on ImeSetComposition for usage. This method is only used when window rendering is disabled. (WPF and OffScreen)
ImeSetCompositionBegins a new composition or updates the existing composition. Blink has a special node (a composition node) that allows the input method to change text without affecting other DOM nodes. This method may be called multiple times as the composition changes. When the client is done making changes the composition should either be canceled or completed. To cancel the composition call ImeCancelComposition. To complete the composition call either ImeCommitText or ImeFinishComposingText. Completion is usually signaled when: The client receives a WM_IME_COMPOSITION message with a GCS_RESULTSTR flag (on Windows). This method is only used when window rendering is disabled. (WPF and OffScreen)
InvalidateInvalidate the view. The browser will call CefRenderHandler::OnPaint asynchronously. This method is only used when window rendering is disabled (OSR).
NotifyMoveOrResizeStartedNotify the browser that the window hosting it is about to be moved or resized. This will dismiss any existing popups (dropdowns).
NotifyScreenInfoChangedSend a notification to the browser that the screen info has changed. The browser will then call CefRenderHandler::GetScreenInfo to update the screen information with the new values. This simulates moving the webview window from one display to another, or changing the properties of the current display. This method is only used when window rendering is disabled.
PrintPrint the current browser contents.
PrintToPdfAsynchronously prints the current browser contents to the Pdf file specified. The caller is responsible for deleting the file when done.
ReplaceMisspellingIf a misspelled word is currently selected in an editable node calling this method will replace it with the specified word.
RunFileDialogCall to run a file chooser dialog. Only a single file chooser dialog may be pending at any given time. The dialog will be initiated asynchronously on the CEF UI thread.
SendCaptureLostEventSend a capture lost event to the browser.
SendDevToolsMessageSend a method call message over the DevTools protocol.
messageAsJsonmust be a UTF8-encoded JSON dictionary that contains "id" (int), "method" (string) and "params" (dictionary, optional) values. See the DevTools protocol documentation at https://chromedevtools.github.io/devtools-protocol/ for details of supported methods and the expected "params" dictionary contents.
messageAsJsonwill be copied if necessary. This method will return true if called on the CEF UI thread and the message was successfully submitted for validation, otherwise false. Validation will be applied asynchronously and any messages that fail due to formatting errors or missing parameters may be discarded without notification. Prefer ExecuteDevToolsMethod if a more structured approach to message formatting is desired. Every valid method call will result in an asynchronous method result or error message that references the sent message "id". Event messages are received while notifications are enabled (for example, between method calls for "Page.enable" and "Page.disable"). All received messages will be delivered to the observer(s) registered with AddDevToolsMessageObserver. See
OnDevToolsMessage(IBrowser, Stream)documentation for details of received message contents. Usage of the SendDevToolsMessage, ExecuteDevToolsMethod and AddDevToolsMessageObserver methods does not require an active DevTools front-end or remote-debugging session. Other active DevTools sessions will continue to function independently. However, any modification of global browser state by one session may not be reflected in the UI of other sessions. Communication with the DevTools front-end (when displayed) can be logged for development purposes by passing the `--devtools-protocol-log-file=<path>` command-line flag.
SendExternalBeginFrame SendFocusEventSend a focus event to the browser. . (Used for OSR Rendering e.g. WPF or OffScreen)
SendKeyEvent(KeyEvent)Send a key event to the browser.
SendKeyEvent(Int32, Int32, Int32)Send key event to browser based on operating system message
SendMouseClickEventSend a mouse click event to the browser.
SendMouseMoveEventSend a mouse move event to the browser, coordinates,
SendMouseWheelEventSend a mouse wheel event to the browser.
SendTouchEventSend a touch event to the browser. WPF and OffScreen browsers only
SetAccessibilityStateSet accessibility state for all frames. If accessibilityState is Default then accessibility will be disabled by default and the state may be further controlled with the "force-renderer-accessibility" and "disable-renderer-accessibility" command-line switches. If accessibilityState is STATE_ENABLED then accessibility will be enabled. If accessibilityState is STATE_DISABLED then accessibility will be completely disabled. For windowed browsers accessibility will be enabled in Complete mode (which corresponds to kAccessibilityModeComplete in Chromium). In this mode all platform accessibility objects will be created and managed by Chromium's internal implementation. The client needs only to detect the screen reader and call this method appropriately. For example, on Windows the client can handle WM_GETOBJECT with OBJID_CLIENT to detect accessibility readers. For windowless browsers accessibility will be enabled in TreeOnly mode (which corresponds to kAccessibilityModeWebContentsOnly in Chromium). In this mode renderer accessibility is enabled, the full tree is computed, and events are passed to IAccessibiltyHandler, but platform accessibility objects are not created. The client may implement platform accessibility objects using IAccessibiltyHandler callbacks if desired.
SetAudioMutedSet whether the browser's audio is muted.
SetAutoResizeEnabledEnable notifications of auto resize via IDisplayHandler.OnAutoResize. Notifications are disabled by default.
SetFocusSet whether the browser is focused. (Used for Normal Rendering e.g. WinForms)
SetZoomLevelChange the zoom level to the specified value. Specify 0.0 to reset the zoom level. If called on the CEF UI thread the change will be applied immediately. Otherwise, the change will be applied asynchronously on the UI thread.
ShowDevToolsOpen developer tools in its own window. If inspectElementAtX and/or inspectElementAtY are specified then the element at the specified (x,y) location will be inspected.
StartDownload StopFindingCancel all searches that are currently going on.
TryCloseBrowserHelper for closing a browser. Call this method from the top-level window close handler. Internally this calls CloseBrowser(false) if the close has not yet been initiated. This method returns false while the close is pending and true after the close has completed. See
CloseBrowser(Boolean)and
DoClose(IWebBrowser, IBrowser)documentation for additional usage information. This method must be called on the CEF UI thread.
WasHiddenNotify the browser that it has been hidden or shown. Layouting and rendering notification will stop when the browser is hidden. This method is only used when window rendering is disabled (WPF/OffScreen).
WasResizedNotify the browser that the widget has been resized. The browser will first call CefRenderHandler::GetViewRect to get the new size and then call CefRenderHandler::OnPaint asynchronously with the updated regions. This method is only used when window rendering is disabled.
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