WebBrowserExtensions Class |
WebBrowser extensions - These methods make performing common tasks
easier.
Inheritance HierarchyNamespace: CefSharp
Assembly: CefSharp (in CefSharp.dll) Version: 71.0.0.0 (71.0.0.0)
SyntaxThe WebBrowserExtensions type exposes the following members.
Properties| Name | Description | |
|---|---|---|
  | EncodeScriptParam |
Function used to encode the params passed to ExecuteScriptAsync(IWebBrowser, String, Object),
EvaluateScriptAsync(IWebBrowser, String, Object) and EvaluateScriptAsync(IWebBrowser, NullableTimeSpan, String, Object)
Provide your own custom function to perform custom encoding. You can use your choice
of JSON encoder here if you should so choose.
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Methods| Name | Description | |
|---|---|---|
 | AddWordToDictionary(IBrowser, String) |
Add the specified word to the spelling dictionary.
|
| AddWordToDictionary(IWebBrowser, String) |
Add the specified word to the spelling dictionary.
|
| Back |
Navigates back, must check CanGoBack before calling this method.
|
| CloseDevTools(IBrowser) |
Explicitly close the developer tools window if one exists for this browser instance.
|
| CloseDevTools(IWebBrowser) |
Explicitly close the developer tools window if one exists for this browser instance.
|
| Copy |
Execute Copy on the focused frame
|
| Cut |
Execute Cut on the focused frame
|
| Delete |
Execute Delete on the focused frame
|
| EvaluateScriptAsync(IWebBrowser, String, NullableTimeSpan) | |
| EvaluateScriptAsync(IWebBrowser, String, Object) |
Evaluate some Javascript code in the context of this WebBrowser. The script will be executed asynchronously and the
method returns a Task encapsulating the response from the Javascript
This simple helper extension will encapsulate params in single quotes (unless int, uint, etc)
|
| EvaluateScriptAsync(IWebBrowser, NullableTimeSpan, String, Object) |
Evaluate some Javascript code in the context of this WebBrowser using the specified timeout. The script will be executed asynchronously and the
method returns a Task encapsulating the response from the Javascript
This simple helper extension will encapsulate params in single quotes (unless int, uint, etc).
|
| ExecuteScriptAsync(IWebBrowser, String) |
Execute some Javascript code in the context of this WebBrowser. As the method name implies, the script will be
executed asynchronously, and the method therefore returns before the script has actually been executed.
|
| ExecuteScriptAsync(IWebBrowser, String, Object) |
Execute some Javascript code in the context of this WebBrowser. As the method name implies, the script will be
executed asynchronously, and the method therefore returns before the script has actually been executed.
This simple helper extension will encapsulate params in single quotes (unless int, uint, etc)
|
| ExecuteScriptAsyncWhenPageLoaded |
Execute Javascript code in the context of this WebBrowser. This extension method uses the LoadingStateChanged event.
As the method name implies, the script will be executed asynchronously, and the method therefore returns before the
script has actually been executed.
|
| Find(IBrowser, Int32, String, Boolean, Boolean, Boolean) |
Search for text within the current page.
|
| Find(IWebBrowser, Int32, String, Boolean, Boolean, Boolean) |
Search for text within the current page.
|
| Forward |
Navigates forward, must check CanGoForward before calling this method.
|
| GetBrowserHost |
Shortcut method to get the browser IBrowserHost
|
| GetCookieManager |
Gets the default cookie manager associated with the IWebBrowser
|
| GetFocusedFrame |
Returns the focused frame for the browser window.
|
| GetMainFrame |
Returns the main (top-level) frame for the browser window.
|
| GetSourceAsync |
Retrieve the main frame's HTML source using a TaskTResult.
|
| GetTextAsync |
Retrieve the main frame's display text using a TaskTResult.
|
| GetZoomLevelAsync(IBrowser) |
Asynchronously gets the current Zoom Level.
|
| GetZoomLevelAsync(IWebBrowser) |
Asynchronously gets the current Zoom Level.
|
| LoadHtml(IWebBrowser, String, Boolean) |
Loads html as Data Uri
See https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs for details
If base64Encode is false then html will be Uri encoded
|
| LoadHtml(IWebBrowser, String, String) |
Registers and loads a ResourceHandler that represents the HTML content.
|
| LoadHtml(IWebBrowser, String, String, Encoding, Boolean) |
Registers and loads a ResourceHandler that represents the HTML content.
|
| LoadString |
Load the string contents with the specified dummy url. Web security restrictions may not behave as expected.
|
| LoadUrlWithPostData |
Creates a new instance of IRequest with the specified Url and Method = POST
and then calls LoadRequest(IRequest).
LoadRequest(IRequest) can only be used if a renderer process already exists.
In newer versions initially loading about:blank no longer creates a renderer process. You
can load a Data Uri initially then call this method.
https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs
|
| Paste |
Execute Paste on the focused frame
|
| Print(IBrowser) |
Opens a Print Dialog which if used (can be user cancelled) will print the browser contents.
|
| Print(IWebBrowser) |
Opens a Print Dialog which if used (can be user cancelled) will print the browser contents.
|
| PrintToPdfAsync(IBrowser, String, PdfPrintSettings) |
Asynchronously prints the current browser contents to the PDF file specified.
The caller is responsible for deleting the file when done.
|
| PrintToPdfAsync(IWebBrowser, String, PdfPrintSettings) |
Asynchronously prints the current browser contents to the PDF file specified.
The caller is responsible for deleting the file when done.
|
| Redo |
Execute Redo on the focused frame
|
| RegisterResourceHandler |
Register a ResourceHandler. Can only be used when browser.ResourceHandlerFactory is an instance of DefaultResourceHandlerFactory
|
| Reload(IWebBrowser) |
Reloads the page being displayed. This method will use data from the browser's cache, if available.
|
| Reload(IWebBrowser, Boolean) |
Reloads the page being displayed, optionally ignoring the cache (which means the whole page including all .css, .js
etc. resources will be re-fetched).
|
| ReplaceMisspelling(IBrowser, String) |
If a misspelled word is currently selected in an editable node calling
this method will replace it with the specified word.
|
| ReplaceMisspelling(IWebBrowser, String) |
If a misspelled word is currently selected in an editable node calling
this method will replace it with the specified word.
|
| SelectAll |
Execute SelectAll on the focused frame
|
| SendMouseClickEvent | |
| SendMouseMoveEvent | |
| SendMouseWheelEvent(IBrowser, Int32, Int32, Int32, Int32, CefEventFlags) | |
| SendMouseWheelEvent(IBrowserHost, Int32, Int32, Int32, Int32, CefEventFlags) | |
| SendMouseWheelEvent(IWebBrowser, Int32, Int32, Int32, Int32, CefEventFlags) | |
| SetAsPopup | |
| SetZoomLevel(IBrowser, Double) |
Change the ZoomLevel to the specified value. Can be set to 0.0 to clear the zoom level.
|
| SetZoomLevel(IWebBrowser, Double) |
Change the ZoomLevel to the specified value. Can be set to 0.0 to clear the zoom level.
|
| ShowDevTools(IBrowser) |
Open developer tools in its own window.
|
| ShowDevTools(IWebBrowser) |
Open developer tools in its own window.
|
| Stop |
Stops loading the current page.
|
| StopFinding(IBrowser, Boolean) |
Cancel all searches that are currently going on.
|
| StopFinding(IWebBrowser, Boolean) |
Cancel all searches that are currently going on.
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| ThrowExceptionIfBrowserNotInitialized | |
| Undo |
Execute Undo on the focused frame
|
| UnRegisterResourceHandler |
Unregister a ResourceHandler. Can only be used when browser.ResourceHandlerFactory is an instance of DefaultResourceHandlerFactory
|
| ViewSource |
Opens up a new program window (using the default text editor) where the source code of the currently displayed web
page is shown.
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See Also