IJsDialogHandlerOnBeforeUnloadDialog Method |
Called to run a dialog asking the user if they want to leave a page. Return false to use the default dialog implementation. Return true if the application will use a custom dialog or if the callback has been executed immediately. Custom dialogs may be either modal or modeless. If a custom dialog is used the application must executecallback once the custom dialog is dismissed.
Namespace: CefSharpAssembly: CefSharp (in CefSharp.dll) Version: 118.6.80.0 (118.6.80.0)
SyntaxboolOnBeforeUnloadDialog(IWebBrowserchromiumWebBrowser,IBrowserbrowser,stringmessageText,boolisReload,IJsDialogCallbackcallback)
boolOnBeforeUnloadDialog(IWebBrowser^chromiumWebBrowser,IBrowser^browser,String^messageText,boolisReload,IJsDialogCallback^callback)
Parameters
- chromiumWebBrowser
- Type: CefSharpIWebBrowser
the ChromiumWebBrowser control - browser
- Type: CefSharpIBrowser
the browser object - messageText
- Type: SystemString
message text (optional) - isReload
- Type: SystemBoolean
indicates a page reload - callback
- Type: CefSharpIJsDialogCallback
Callback can be executed inline or in an async fashion
Return Value
Type: BooleanReturn false to use the default dialog implementation otherwise return true to handle with your own custom implementation.
See Also